Icom IC-7850 Instruction Manual
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- Icom IC-7850 | Instruction Manual - Page 1
THE TRANSCEIVER i7850 Instruction Manual A-7199H-1EX-0a Printed in Japan © 2015 Icom Inc. - Icom IC-7850 | Instruction Manual - Page 2
IC-7850 on an up-conversion, double super-heterodyne receiver design, which has many advantages over traditional receiver designs. We are proud to have developed the IC-7850 for your amateur radio activities, and hope it brings you years of enjoyable operation. Please read this instruction manual - Icom IC-7850 | Instruction Manual - Page 3
INSTRUCTION MANUAL CAREFULLY before at- tempting to operate the transceiver. SAVE THIS INSTRUCTION MANUAL. This manual contains important safety and operating instructions for the IC-7850 shock. TRADEMARKS Icom, Icom Inc. and the Icom logo are registered trademarks of Icom Incorporated (Japan) - Icom IC-7850 | Instruction Manual - Page 4
the expensive final devices. The transceiver warranty does not cover any problems caused by unauthorized internal adjustment. Icom microphones only (supplied or optional). Other manufacturers' microphones have different pin assignments, and connection to the IC-7850 may damage the transceiver - Icom IC-7850 | Instruction Manual - Page 5
to this device, not expressly approved by Icom Inc., could void your authority to operate this device under FCC regulations. ABOUT THE SUPPLIED CD The following instructions and installers are included on the CD. • Instruction manual Instructions for the full operations, the same as - Icom IC-7850 | Instruction Manual - Page 6
Ctrl+F)" in the Edit menu to open the search screen. This is convenient when searching for a particular word or phrase in this manual. *T he menu printing setup may differ, depending on the printer. Refer to your printer's instruction manual for details. *Select "A4" size to print out the page in - Icom IC-7850 | Instruction Manual - Page 7
Previous view DESCRIPTION INFORMATION This instruction manual is described based on the following manner. " " ( transceiver is illustrated as illustrated below. Also, the keys and knobs are described in the following manner. () Multi-function keys Example: P ush the Multi-function [METER - Icom IC-7850 | Instruction Manual - Page 8
Previous view SUPPLIED ACCESSORIES q w e r t y u i o !0 !1 !2 !3 !4 !5 !6 qqAC power cable 1 wwRack mounting handles 1 pair eeScrews for rack mounting handles 1 set rrSD card 1 ttFeet 1 pair yySpare fuse (2 A 1 uuRCA plugs 2 iiDC plug 1 oo2-conductor 1⁄8″ plugs 3 !0 3- - Icom IC-7850 | Instruction Manual - Page 9
3-5 D Rear panel (Optional products and external equipment 3-6 D Rear panel (External keypad and meter 3-6 ■■Linear amplifier connections 3-7 D Connecting the IC-PW1/EURO 3-7 D Connecting a non-Icom linear amplifier 3-7 ■■Transverter jack information 3-8 ■■FSK and AFSK (SSTV) connections - Icom IC-7850 | Instruction Manual - Page 10
4-11 DDDigital multi-function meter 4-11 DDSelecting the meter type 4-12 ■■Dial lock function 4-12 ■■Basic transmit operation 4-13 DDTransmitting 4-13 DDAdjusting the microphone gain 4-13 DDDrive gain adjustment 4-14 DDTransmit power limit 4-14 ■■Band edge warning beep 4-15 DDEntering - Icom IC-7850 | Instruction Manual - Page 11
Previous view TABLE OF CONTENTS DDContest number set mode 5-12 DDKeyer set mode 5-13 ■■Operating RTTY (FSK 5-14 DDAbout the RTTY reverse mode 5-15 DDTwin peak filter 5-15 DDFunctions for the RTTY decoder display 5-16 DDSetting the decoder threshold level 5-17 DDRTTY memory transmission 5-17 - Icom IC-7850 | Instruction Manual - Page 12
■■Noise blanker 7-11 ï NB Set mode 7-11 ■■Noise reduction 7-12 ■■Digital selector 7-12 ■■Notch function 7-13 ï Auto notch function 7-13 ï Manual notch function 7-13 FUNCTIONS FOR TRANSMIT Section 8 ■■About the VOX function 8-2 DDTurning ON the VOX function 8-2 DDAdjusting the VOX function - Icom IC-7850 | Instruction Manual - Page 13
Previous view TABLE OF CONTENTS ■■Deleting recorded audio folder 9-6 ■■RX Voice Memory 9-7 ■■Recording the RX Voice Memory 9-8 ■■Playing back the recorded audio 9-8 ï Quick playing back 9-8 ■■Recording or playing back a TX message 9-9 ï Recording 9-9 ï Playing back 9-9 ï Programming a record - Icom IC-7850 | Instruction Manual - Page 14
Previous view TABLE OF CONTENTS SCANS Section 12 ■■Scan types 12-2 ■■Preparation 12-3 ■■Scan set mode 12-4 ■■Programmed scan 12-5 ■■Fine programmed scan 12-6 ■■Memory scan operation 12-7 ■■Select memory scan operation 12-7 ■■Setting select memory channels 12-8 DDSetting in the Scan screen - Icom IC-7850 | Instruction Manual - Page 15
■■Cleaning 16-7 ■■Resetting the CPU 16-7 ■■About protection indications 16-8 ■■Opening the transceiver's case 16-8 ■■Fuse replacement 16-9 ■■Clock backup battery replacement 16-9 ■■Troubleshooting 16-10 D Transceiver power 16-10 D Transmit and receive 16-10 D Scanning 16-11 D Display 16 - Icom IC-7850 | Instruction Manual - Page 16
20-3 ■■[ELEC-KEY] jack 20-3 ■■[KEY] jack 20-3 ■■[EXT KEYPAD] jack 20-4 ■■[REF I/O] connector 20-4 ■■[X-VERTER] connector 20-4 ■■[RELAY] jack 20-4 ■■[METER] jack 20-5 ■■[REMOTE] jack 20-5 ■■[DC OUT] jack 20-5 ■■[EXT-SP] jack 20-5 ■■[S/P DIF] jack 20-5 ■■[RX-I/O] connector 20-5 INDEX xv - Icom IC-7850 | Instruction Manual - Page 17
Previous view PANEL DESCRIPTION Section 1 ■■Front panel 1-2 ■■Rear panel 1-12 ■■Display 1-14 ■■Screen menu arrangement 1-16 1-1 - Icom IC-7850 | Instruction Manual - Page 18
is located on the rear panel. (p. 1-12) ➥➥Push to turn ON the transceiver power. • The [POWER] indicator above this key lights blue. ➥➥Hold down ). ➥➥Hold down for 1 second to manually start the tuner. • The [TUNER] indicator blinks red during manual tuning. • When the tuner cannot - Icom IC-7850 | Instruction Manual - Page 19
-2) Insert the supplied SD card for both reading and storing a wide variety of the transceiver's information and data. • The indicator beside the slot lights, or blinks when reading the [MIC] control so that the ALC meter swings within the ALC range during normal voice level transmission in the SSB or AM mode - Icom IC-7850 | Instruction Manual - Page 20
Previous view 1 PANEL DESCRIPTION ■■Front panel (Continued) #0 @9 @3 @4 @5 @6 @7 @8 @3 AGC CONTROL [AGC] (p. 7-4) Rotate to adjust the continuously-variable AGC cir- cuit time constant. • To use the [AGC] control, push the appropriate band's [AGC VR] (The [AGC VR] indicator lights white - Icom IC-7850 | Instruction Manual - Page 21
mode. (p. 7-4) The AGC time constant can be set between 0.1 to 8.0 second (depending on the mode), or turned OFF. When AGC is "OFF," the S-meter does not function. ✔ What is AGC? The AGC controls receiver gain to produce a constant audio output level, even when the received signal strength varies - Icom IC-7850 | Instruction Manual - Page 22
other modes. • 11 to 12 o'clock position is recommended for any setting of the [SQL] control. Noise squelch Squelch threshold Squelch is open. S-meter squelch #2 N OISE BLANKER KEY [NB] (p. 7-11) ➥➥Push to turn the noise blanker ON or OFF. The noise blanker reduces pulse-type noise such - Icom IC-7850 | Instruction Manual - Page 23
Previous view 1 PANEL DESCRIPTION Set mode settings, and so on. #8 M INI SPECTRUM SCOPE KEY [M.SCOPE] (p. 6-2) ➥➥Push to turn the mini spectrum scope screen ON or OFF. • You can simultaneously display the mini spectrum scope screen with other screens, such as the memory or set mode screens. - Icom IC-7850 | Instruction Manual - Page 24
to an undesired signal. %2 SUB DIAL Changes the displayed frequency in the Sub band. %3 S PEECH KEY [SPEECH] (p. 16-2) ➥➥Push to announce the S-meter level and the selected operating frequency. • You can change the speech language, speech speed, and speech contents in the Others set screen - Icom IC-7850 | Instruction Manual - Page 25
notch filter is in use. ➥➥Hold down for 1 second to select the Manual notch width from wide, mid, or narrow. ✔ What is the Notch function times to call up other stacked frequencies in the band. (p. 4-6) • Icom's triple band stacking register memorizes 3 frequencies in each band. ➥➥After pushing - Icom IC-7850 | Instruction Manual - Page 26
changing the operating frequency. &1 M ANUAL NOTCH FILTER CONTROL [NOTCH] (p. 7-13) Varies the "valley" frequency of the manual notch filter to reject an interfering signal while the manual notch function is ON. • Notch filter center frequency: SSB : -1060 Hz ~ 4040 Hz CW : C W pitch - Icom IC-7850 | Instruction Manual - Page 27
High cut Center Low cut ✔ What is the PBT control? The PBT function electronically modifies the IF passband width to reject interference. This transceiver uses the DSP circuit for the PBT function. &5 RIT/∂TX CONTROL [RIT/∂TX] (pp. 7-3, 8-5) Shifts the receive and/or transmit frequency without - Icom IC-7850 | Instruction Manual - Page 28
to prevent electrical shocks, TVI, BCI and other problems. e CIRCUIT BREAKER Cuts off the AC input if supported. *: A USB flash drive or USB keyboard is not supplied by Icom. About the [USB A] connector: • S upports only a USB flash drive, keyboard, mouse or hub. • T urn the transceiver - Icom IC-7850 | Instruction Manual - Page 29
or Id levels for an external meter. @2 C I-V REMOTE CONTROL JACK [REMOTE] (p. 20-5) ➥➥Connects to a PC through the optional CT-17 ci-v level converter for external control of the transceiver. ➥➥Used for transceive operation with another Icom CI-V transceiver or receiver. @3 RECEIVE ANTENNA A OUT - Icom IC-7850 | Instruction Manual - Page 30
outside of an amateur band frequency range is selected. This function can be turned OFF in the Other set screen, if desired. (p. 4-5) !3 S/RF METER (p. 4-11) Displays the signal strength while receiving. Dis- plays the relative output power, SWR, ALC or compression levels while transmitting. 1-14 - Icom IC-7850 | Instruction Manual - Page 31
!7 !6 !4 LAN INDICATOR Displays when the Remote station accesses the transceiver through the LAN connector. (An optional RS-BA1 is required.) !5 decoder, IF filter selection, and Set modes. !6 DISPLAY FUNCTION KEY GUIDE Indicates the current function of the Display Func- tion keys ([F-1] - - Icom IC-7850 | Instruction Manual - Page 32
PANEL DESCRIPTION ■■Screen menu arrangement The following screens can be selected from the Start Up screen. Choose the desired screen using the following guide. • Start Up screen Pushing [EXIT/SET] several times returns to the Start Up screen. See page 15-3 for set mode arrangement. • PSK decode - Icom IC-7850 | Instruction Manual - Page 33
Previous view SET MODE ITEMS Section 2 ■■About the Setting screen configuration 2-2 ■■SCOPE SET 2-3 ■■VOICE SET 2-4 ■■KEYER 001 2-4 ■■KEYER CW-KEY 2-5 ■■RTTY LOG SET 2-5 ■■RTTY DECODE SET 2-5 ■■PSK LOG SET 2-6 ■■PSK DECODE SET 2-6 ■■SCAN SET 2-6 ■■AUDIO SCOPE SET 2-6 ■■LEVEL SET 2-7 ■■ - Icom IC-7850 | Instruction Manual - Page 34
Previous view 2 SET MODE ITEMS ■■About the Setting screen configuration The transceiver Setting consists of the following items. SPECTRUM SCOPE VOICE MEMORY MEMORY KEYER RTTY DECODE PSK DECODE SCAN AUDIO SCOPE SET MODE ANT VOX NB FILTER - Icom IC-7850 | Instruction Manual - Page 35
Previous view 2 SET MODE ITEMS ■■SCOPE SET SCOPE [F-1] EXPD/SET [F-7] ITEMS DESCRIPTIONS RANGE OR VALUE Scope during Tx (CENTER Type) Transmit signal spectrum indication setting. OFF, ON Max Hold Peak level holding function setting. OFF, 10s Hold, ON CENTER Type Display Marker Position ( - Icom IC-7850 | Instruction Manual - Page 36
Previous view 2 SET MODE ITEMS ■■VOICE SET VOICE [F-2] SET [F-7] ITEMS VOICE 1st Menu VOICE TX Auto Monitor DESCRIPTIONS RANGE OR VALUE Root screen selection that displays first after VOICE-Root, VOICE-TX [VOICE](F) is pushed. Automatic monitor function setting when OFF, ON transmitting a - Icom IC-7850 | Instruction Manual - Page 37
TX USOS RTTY Auto CR+LF by TX RTTY Time Stamp RTTY diddle setting. OFF, BLANK, LTRS RTTY TX USOS setting. OFF, ON RTTY automatic new line code (CR+LF) OFF, ON transmission setting. RTTY decode screen Time stamp setting. OFF, ON RTTY Time Stamp (Time) RTTY Time Stamp (Frequency) RTTY - Icom IC-7850 | Instruction Manual - Page 38
Previous view 2 SET MODE ITEMS ■■PSK LOG SET DECODE [F-3] [F-1] LOG [F-4] ITEMS PSK Log PSK Log File Type PSK Log Storage Media DESCRIPTIONS RANGE OR VALUE PSK log use. OFF, ON PSK log file saving format selection. Text, HTML Storage media selection for saving a PSK SD CARD, USB - Icom IC-7850 | Instruction Manual - Page 39
- OFF, ON ting. Audio output level setting while APF is 0~+6 dB (in 1dB steps) used. Beep audio output level setting. 0~100% (in 1% steps) Sets the limit of the beep output level. OFF, ON Ratio setting for audio output level from the -15~+15 (in 1 digit steps) headphone toward to the internal - Icom IC-7850 | Instruction Manual - Page 40
Previous view 2 SET MODE ITEMS ■■ACC SET SET [F-7] ACC [F-2] ITEMS ACC-A AF/SQL Output Select [A ACC1] ACC-B AF/SQL Output Select [B ACC1] ACC-A Output Select [A ACC1] ACC-A AF/IF XFC Output (SPLIT ON) ACC-A AF Output Level ACC-A AF SQL ACC-A AF Beep/Speech... Output ACC-A IF Output - Icom IC-7850 | Instruction Manual - Page 41
SEND relay type setting. Reed, MOS-FET Output signal set- MAIN ting from [METER]. Auto, S(MAIN), Po, SWR, ALC, COMP, VD, ID SUB Auto, S(SUB), Po, SWR, ALC, COMP, VD, ID MAIN 0~100% (in 1% steps) SUB [REF I/O] Transceiver's reference IN, OFF, OUT signal status setting. p. 15-10 REF Adjust - Icom IC-7850 | Instruction Manual - Page 42
Hold (Bar) The meter peak hold function setting. OFF, ON Memory Name Memory name indication setting. OFF, ON APF-Width Popup (APF OFF➡ Pop-up indication setting for the APF filter OFF, ON ON) width selection. MN-Q Popup (MN OFF➡ON) Pop-up indication setting for the manual OFF, ON notch - Icom IC-7850 | Instruction Manual - Page 43
Beep (Confirmation) Beep (Band Edge) Beep Sound (MAIN) Beep Sound (SUB) TX Power Limit TX Delay (HF) TX Delay (50M) Time-Out Timer (CI-V) Quick Dualwatch Quick SPLIT FM SPLIT Offset (HF) FM SPLIT Offset (50MHz) SPLIT LOCK Tuner (Auto Start) Tuner (PTT Start) Tuner Preset Memory Clear DESCRIPTIONS - Icom IC-7850 | Instruction Manual - Page 44
DN] switches are held down. RIT/⊿TX frequency quick clearing function OFF, ON setting. for SSB mode for AM mode Selectable notch Auto, Manual, Auto/Manual type setting. Controllable function setting for the [DIGI- DIGI-SEL, APF SEL] control. FILTER Screen MAIN/SUB Se- FILTER Screen MAIN/SUB band - Icom IC-7850 | Instruction Manual - Page 45
power control. Standby/Shutdown CI-V data transfer speed setting. 4800, 9600, 19200 (bps), Auto CI-V Address Transceiver's address setting for the CI-V 02h~8Eh~DFh remote control. CI-V Transceive Transceive function setting for the CI-V re- OFF, ON mote control. CI-V USB/LAN➡REMOTE Trans- CI - Icom IC-7850 | Instruction Manual - Page 46
Mouse Pointer Acceleration setting. OFF, ON DHCP (Valid after Reboot) DHCP server client setting. OFF, ON IP Address (Valid after Reboot) Transceiver's IP address setting for IP remote control. Subnet Mask (Valid after Reboot) Subnet mask setting for the IP remote control. Default Gateway - Icom IC-7850 | Instruction Manual - Page 47
At least 8 characters, up to 16 p. 15-21 operation. characters Network User1/2/3 Administrator Administrative privileges setting for the IP NO, YES remote control operation. Network Radio Name Radio name setting for the optional RS-BA1 Up to 16 characters operation. 2-15 - Icom IC-7850 | Instruction Manual - Page 48
Previous view 2 SET MODE ITEMS ■■LOAD SET SET [F-7] SD/USB [F-7] LOAD [F-1] ITEMS DESCRIPTIONS RANGE OR VALUE Load Contents Loading contents setting. All, Select ANT Memory Antenna memory load setting. YES, NO REF IN/OUT, REF Adjust, Filter Reference frequency signal, Reference fre- - Icom IC-7850 | Instruction Manual - Page 49
OR VALUE 1~10 (in 1 digit steps) 1~100 (in 1 digit steps) REF. p. 7-11 ■■FILTER SHAPE SET [FILTER] SHAPE [F-7] ITEMS HF SSB (600Hz - ) HF SSB-D (600Hz - ) HF CW ( - 500Hz) HF CW (600Hz - ) 50M SSB (600Hz - ) 50M SSB-D (600Hz - ) 50M CW ( - 500Hz) 50M CW (600Hz - ) DESCRIPTIONS RANGE OR VALUE - Icom IC-7850 | Instruction Manual - Page 50
and meter 3-6 ■ Linear amplifier connections 3-7 D Connecting the IC-PW1/EURO 3-7 D Connecting a non-Icom linear amplifier 3-7 ■ FSK and AFSK (SSTV) connections 3-8 ■ Microphones (optional products 3-9 D SM-50 3-9 D SM-30 3-9 D HM-36 3-10 CAUTION: The transceiver weights approximately - Icom IC-7850 | Instruction Manual - Page 51
IC-7850, see 'Supplied accessories' on page vii of this manual. ■ Selecting a location Select a location for the transceiver that allows adequate air circulation, free from extreme heat, cold, or vibrations, and away from TV sets, TV antenna elements, radios problems, ground the transceiver through - Icom IC-7850 | Instruction Manual - Page 52
antenna For radio communications, the antenna is of critical importance, along with the output power and receiver sensitivity. Select antennas, such as a well-matched 50 Ω antenna, and feedline. If you use only one antenna, connect it to the [ANT1] connector. CAUTION: Protect your transceiver from - Icom IC-7850 | Instruction Manual - Page 53
key + _ B L Ground (p. 3-2) Use the heaviest gauge wire or strap available and make the connection as short as possible. Grounding prevents electrical shock, TVI and other problems. AC outlet R WARNING! Use only the supplied AC power cable. 3-4 - Icom IC-7850 | Instruction Manual - Page 54
UHF or other bands. Antenna 1, 2, 3, 4 (p. 13-2) Connects to a linear amplifier, antenna selector, and so on. B L [REMOTE] (p. 20-5) Used for remote control and transceive operation. The optional CT-17 is required when connecting a PC to [REMOTE]. [RELAY], [ALC] (p.3-7) Used to connect to a non - Icom IC-7850 | Instruction Manual - Page 55
(USB flash drive). • Turn OFF the transceiver's power before connecting or disconnecting a USB mice.) • The following devices are not supported. Multimedia adaptor, USB HDD, Bluetooth® Rear panel (External keypad and meter) [METER] SUB band meter +_ MAIN band meter +_ [S/P DIF IN/OUT] Connects - Icom IC-7850 | Instruction Manual - Page 56
European version: 230 V) Ground ANT2 ANT1 GND REMOTE B L Transceiver *Optional D Connecting a non-Icom linear amplifier R WARNING! Set the transceiver output power and linear ampli- fier ALC output level referring to the linear amplifier instruction manual. The ALC input level must be in the - Icom IC-7850 | Instruction Manual - Page 57
transceiver has a Modem function for RTTY and PSK. However, if you want to use a PC to operate these digital modes, it is necessary to prepare the following interface circuit, or use a similar 3rd party device. Refer to the instruction manual modes (Not provided by Icom) ¡When connecting to [ACC1 - Icom IC-7850 | Instruction Manual - Page 58
red when the PTT lock switch (w) is ON. D SM-30 TOP VIEW y M IC GAIN VOLUME [MIC GAIN] Rotate to adjust the microphone output level. • Use this control as an addition to the microphone gain setting of the transceiver. Rotating the control too far clockwise may result in an output level that is - Icom IC-7850 | Instruction Manual - Page 59
Previous view 3 INSTALLATION AND CONNECTIONS ■ Microphones (optional products) (Continued) D HM-36 w q q PTT SWITCH Hold down to transmit, release to receive. w UP/DOWN SWITCHES [UP]/[DN] Change the selected readout frequency or memory channel. • Holding down continuously changes the - Icom IC-7850 | Instruction Manual - Page 60
readout 4-11 DDDigital multi-function meter 4-11 DDSelecting the meter type 4-12 ■■Dial lock function 4-12 ■■Basic transmit operation 4-13 DDTransmitting 4-13 DDAdjusting the microphone gain 4-13 DDAdjusting the drive gain 4-14 DDTransmit power limit 4-14 ■■Band edge warning beep 4-15 - Icom IC-7850 | Instruction Manual - Page 61
12 o'clock 12 o'clock 12 o'clock 12 o'clock 12 o'clock 12 o'clock 12 o'clock 12 o'clock All keys of this transceiver are non lock type. When turned ON, the transceiver starts with all keys' status as they were previously set. However, the [TRANSMIT] key always in the OFF (receive) condition at - Icom IC-7850 | Instruction Manual - Page 62
message) DDResetting the CPU (initial setup) Before first applying power, if a malfunction occurs, or you want to return the transceiver to the original settings, reset the transceiver using the following procedure. ➥➥While holding down [F-INP] and [MW], push [POWER] to turn ON the power. • The - Icom IC-7850 | Instruction Manual - Page 63
adjust to the point where the noise just disappears and the RX indicator goes OFF. The noise squelch works only in the FM mode. S-meter squelch: The S-meter squelch disables the audio output from the speaker or headphones when the received signal is weaker than the specified level. Rotate the [SQL - Icom IC-7850 | Instruction Manual - Page 64
Previous view ■■Selecting the Main and Sub bands The IC-7850 has 2 identical receivers, Main and Sub. The Main band is displayed on the left hand side, and the Sub band is displayed on the right - Icom IC-7850 | Instruction Manual - Page 65
Previous view 4 BASIC OPERATION ■■Selecting an operating band The triple band stacking register provides three memories for each band to store frequencies and operating modes. If a band key is pushed once, the last used frequency and operating mode are called up. When the key is pushed again, the - Icom IC-7850 | Instruction Manual - Page 66
Previous view 4 BASIC OPERATION ■■Setting the frequency The transceiver has several setting methods for convenient frequency setting. DDTuning with [DIAL] qqSelect the desired band with the band keys. wwRotate [MAIN DIAL] to - Icom IC-7850 | Instruction Manual - Page 67
Previous view 4 BASIC OPERATION ■■Setting the frequency (Continued) DDSelecting the Fine tuning function The minimum tuning step of 1 Hz can be used for fine tuning. With the Quick tuning function OFF. qqHold down [TS] for 1 second. • The 1 Hz digit is displayed. wwRotate [MAIN DIAL] to tune - Icom IC-7850 | Instruction Manual - Page 68
to toggle the 1⁄4 tuning function ON or OFF. • " " is displayed when the function is ON. DDEntering the frequency with the keypad The transceiver has a keypad for direct frequency entry, as described below. qqPush [F-INP]. • The " F-INP " indicator is displayed. • The keypad backlight lights and - Icom IC-7850 | Instruction Manual - Page 69
Previous view 4 BASIC OPERATION ■■Selecting the Operating mode The following modes are selectable. • SSB (USB/LSB) and SSB data (USB data/LSB data) modes • CW and CW reverse (CW-R) modes • RTTY and RTTY reverse (RTTY-R) modes • PSK and PSK reverse (PSK-R) modes • AM and AM data modes • FM and FM - Icom IC-7850 | Instruction Manual - Page 70
readout during transmit can be selected from the following items. ➥➥Push the Multi-function [METER]() key several times to select the desired meter item. • The selectable meters are: Po SWR ALC COMP Vd Id in that order. Displays the RF output power in watts. Displays the VSWR on the - Icom IC-7850 | Instruction Manual - Page 71
Previous view 4 BASIC OPERATION ■■Selecting the Meter readout (Continued) DDSelecting the meter type A total of 3 meter types are selectable. The meter types are Standard, Edgewise and Bar meters. Follow the instructions to select the meter type. qqSelect the "Meter Type (Normal Screen)" item in - Icom IC-7850 | Instruction Manual - Page 72
readout (approx.) " - Icom IC-7850 | Instruction Manual - Page 73
rotate [DRIVE] so that the ALC meter reading swings within 30 to 50% of the ALC scale. (see to the right) • Speak into the microphone at your normal voice level. r R elease [PTT], stop keying or push [TRANSMIT] again to receive. DDTransmit power limit The transceiver can be set to a maximum output - Icom IC-7850 | Instruction Manual - Page 74
DIAL] () Multi-function keys [EXIT/SET] ON（Default） is selected • About setting the User band edge When the "ON (User)" or "ON (User) & TX Limit" option is selected, up to 30 band edges can be registered. ➥➥Push [BAND](F). • The "BAND EDGE" screen is displayed, and then you can change, add - Icom IC-7850 | Instruction Manual - Page 75
setting, all frequency ranges that can be used, are entered. When new band edge is entered, change or delete the band edge that includes Limit" option. • The [BAND] key is displayed in the Function keys. • When the "ON (User) & TX Limit" option is selected, the transmit ranges are also limited - Icom IC-7850 | Instruction Manual - Page 76
: When inserting a blank line, push [p](F) or [q](F) to select the line below the one where you want to insert a new line. And then push [INS If 30 band edges are already entered, a new line cannot be inserted. To delete a frequency range, push [p](F) or [q](F) to select the line that you want to - Icom IC-7850 | Instruction Manual - Page 77
channel center frequency. NOTE: We recommend that you store these frequencies, modes and filter settings into memory channels, for easy recall. Transceiver Displayed Frequency 5.33050 MHz 5.34650 MHz 5.35700 MHz 5.37150 MHz 5.40350 MHz FCC Channel Center Frequency 5.33200 MHz 5.34800 MHz 5.35850 - Icom IC-7850 | Instruction Manual - Page 78
Previous view RECEIVE AND TRANSMIT Section 5 ■■Convenient functions for Receive 5-2 ■■Convenient functions for Transmit 5-3 ■■Operating SSB 5-4 ■■Operating CW 5-5 DDAbout the CW pitch control 5-6 DDAPF (Audio Peak Filter) operation 5-6 DDAdjusting the Key speed 5-7 DDAbout the CW reverse - Icom IC-7850 | Instruction Manual - Page 79
Transmit, you can operate the transceiver more conveniently. ■■Convenient functions and so on, even if they are moving. The Manual notch can be set to attenuate a frequency by rotating the [NOTCH the IF filter passband, to reject interference. The IC-7850 uses DSP for the PBT function. Moving both the - Icom IC-7850 | Instruction Manual - Page 80
between Wide, Mid, and Narrow. CW mode Break-in function (p. 8-4) The break-in function is used to automatically toggle the transceiver between transmit and receive when keying. The IC-7850 is capable of full break-in or semi break-in CW operation. • Semi-break-in operation: In the semi break-in - Icom IC-7850 | Instruction Manual - Page 81
[MIC] to adjust the microphone gain. • While speaking into the microphone at your normal voice level, adjust the microphone gain so that the ALC meter reading swings within 30 to 50% of the ALC scale. ooAfter your transmission is finished, returns to receive. • Push [TRANSMIT] or release [PTT - Icom IC-7850 | Instruction Manual - Page 82
CW Normal Side) eeRotate [MAIN DIAL] to tune a desired signal. • Try to match the specified signal's tone to the side tone frequency. • The S-meter indicates the received signal strength when signal is received. rrRotate [AF] to set the audio to a comfortable listening level. ttRotate [RF PWR] to - Icom IC-7850 | Instruction Manual - Page 83
Previous view 5 RECEIVE AND TRANSMIT ■■Operating CW (Continued) DDAbout the CW pitch control The received CW audio pitch and CW side tone can be adjusted to suit your preference. This does not change the operating frequency. qqRotate [CW PITCH] to suit your preference. • Adjustable between 300 to - Icom IC-7850 | Instruction Manual - Page 84
. Push BFO Interference Desired signal CW mode (LSB side) BFO Interference Desired signal CW-R mode (USB side) DDCW side tone function When the transceiver is in standby (and the break-in function is OFF- p. 8-4) you can listen to the CW side tone without actually transmitting. This allows - Icom IC-7850 | Instruction Manual - Page 85
Previous view 5 RECEIVE AND TRANSMIT ■■Operating CW (Continued) DDAbout 137 kHz band operation (Europe version only) The 137 kHz band, between the 135.7 kHz to 137.8 kHz, operation in the CW mode is optionally available. The RF signal from [X-VERTER] is used for the 137 kHz band operation, and an - Icom IC-7850 | Instruction Manual - Page 86
5 RECEIVE AND TRANSMIT ■■Electronic keyer functions The IC-7850 has a number of convenient functions for the ]. (F) Function keys Mode keys [EXIT/SET] • Memory keyer screen (p. 5-10) • Keyer edit screen • Memory keyer menu screen • KEYER 001 screen • KEYER CW-KEY screen (p. 5-11) (p. - Icom IC-7850 | Instruction Manual - Page 87
Mode key [CW]. wwPush [KEYER](F). • The Memory keyer screen is displayed. eePush [1-4/5-8] to select the Memory bank. • M5 ~ M8 are blank by default, edit the contents to use these memories. rrPush [TRANSMIT], or turn ON the Break-in function (p. 8-4). ttPush one of the function keys [M1] ~ [M4 - Icom IC-7850 | Instruction Manual - Page 88
UV W XY Z 1 2 3 4 5 6 7 8 9 0 (F) Function keys [EXIT/SET] [MAIN DIAL] • Keyer edit screen • Example: Entering "QSL TU DE JA3YUA TEST" into the Memory keyer M3 • Preset contents CH Contents M1 CQ TEST CQ TEST DE ICOM ICOM TEST M2 UR 5NN✱ BK M3 CFM TU M4 QRZ? About the Symbols: "^" is - Icom IC-7850 | Instruction Manual - Page 89
Previous view 5 RECEIVE AND TRANSMIT ■■Electronic keyer functions (Continued) DDContest number set mode This mode is used to set the Number style, Count up trigger and Present number. • Setting contents The Multi-function screens are OFF: qqPush [KEYER](F). • The Memory keyer screen is displayed - Icom IC-7850 | Instruction Manual - Page 90
Previous view 5 RECEIVE AND TRANSMIT DDKeyer set mode This Set mode is used to set the memory keyer repeat time, dash weight, paddle specifications, keyer type, and so on. • Setting contents The Multi-function screens are OFF: qqPush [KEYER](F). • The Memory keyer screen is displayed. ww - Icom IC-7850 | Instruction Manual - Page 91
IC-7850. When connecting a PC keyboard, you can operates RTTY without an external RTTY terminal or PC. If you would rather use your RTTY terminal, consult the equipment manual the setting level. yyPush the Multi-function [METER]() key to select the Po meter. uuPush [F12] on the keyboard to - Icom IC-7850 | Instruction Manual - Page 92
Previous view 5 RECEIVE AND TRANSMIT DDAbout the RTTY reverse mode Received characters are occasionally garbled when the received signal has the Mark and Space tones reversed. This reversal can be caused by incorrect TNC connections, setting, or commands. To receive reversed RTTY signals correctly - Icom IC-7850 | Instruction Manual - Page 93
Previous view 5 RECEIVE AND TRANSMIT ■■Operating RTTY (FSK) (Continued) DDFunctions for the RTTY decoder display qqPush the Mode key [RTTY/PSK] to select the RTTY mode. • After the RTTY mode is selected, hold down [RTTY/PSK] for 1 second to toggle between the RTTY and RTTY-R modes. • "RTTY" or - Icom IC-7850 | Instruction Manual - Page 94
setting screen DDRTTY memory transmission Preset characters can be sent using the RTTY memory. Contents of the memory are entered in the RTTY memory edit screen. The Multi-function screens are OFF: qqPush [DECODE](F). • The RTTY decode screen is displayed. wwPush [TX MEM](F) to select the RTTY - Icom IC-7850 | Instruction Manual - Page 95
to transmit the selected memory and push [F12] again to return to receive. ttPush [EXIT/SET]. • Exits the RTTY memory edit screen. (F) Function keys [EXIT/SET] • RTTY memory edit screen NOTE: When no keyboard is connected, the transceiver always functions using the "AUTO TX/RX" setting. 5-18 - Icom IC-7850 | Instruction Manual - Page 96
edit screen • Preset contents CH Name Contents RT1 MYCALLx2 ↵DE ICOM ICOM K↵ RT2 MYCALLx3 ↵DE ICOM ICOM ICOM K↵ RT3 QSLUR599 ↵QSL UR 599-599 BK↵ RT4 DE+UR599 ↵QSL DE ICOM ICOM UR 599-599 BK↵ RT5 73 GL SK ↵73 GL SK↵ RT6 CQ CQ CQ ↵CQ CQ CQ DE ICOM ICOM ICOM K↵ ↵MY TRANSCEIVER IS IC-7850 - Icom IC-7850 | Instruction Manual - Page 97
Previous view 5 RECEIVE AND TRANSMIT ■■Operating RTTY (FSK) (Continued) DDTurning ON the RTTY log Turn ON the RTTY log to store your RTTY operating record, both TX and RX, onto an SD card or USB flash drive. Be sure to insert an SD card or USB flash drive, otherwise this function does not work. qqD - Icom IC-7850 | Instruction Manual - Page 98
Previous view 5 RECEIVE AND TRANSMIT DDConfirm the RTTY log contents You can confirm the RTTY log contents on the transceiver display. qqD isplay the RTTY decode screen, then push [](F). DECODE [F-3] [F-1] Displays • The function menu changes to Menu 2. wwPush [LOG - Icom IC-7850 | Instruction Manual - Page 99
Line Code (Default: CR,LF,CR+LF) Selects the internal RTTY decoder new line code. CR: Carriage Return, LF: Line Feed • CR,LF,CR+LF: Makes new line with any codes. • CR+LF: Makes new line with CR+LF code only. RTTY Diddle (Default: BLANK) Selects the diddle status. • BLANK: T ransmits - Icom IC-7850 | Instruction Manual - Page 100
Previous view 5 RECEIVE AND TRANSMIT RTTY Auto CR+LF by TX (Default: ON) Selects sending a new line code (CR+LF) once when transmitting. • ON: Transmits the CR+LF code once. • OFF: Does not transmit the CR+LF code. RTTY Time Stamp ( - Icom IC-7850 | Instruction Manual - Page 101
IC-7850. You can connect a keyboard to the transceiver and operate PSK without a PC. (p. 3-6) This transceiver can be used in the PSK31 and PSK63 modes. If you would rather use your PSK software, consult the software manual Push the Multi-function [METER]() key to select the ALC meter. uuPush [F12] - Icom IC-7850 | Instruction Manual - Page 102
Previous view 5 RECEIVE AND TRANSMIT DDVector indicator and Waterfall display You can fine tune the PSK signal using the Vector tuning indicator and waterfall display. qqSlowly rotate the [MAIN DIAL]. • When a PSK signal is received, the vertical line appears on the waterfall display. wwTune the - Icom IC-7850 | Instruction Manual - Page 103
Previous view 5 RECEIVE AND TRANSMIT ■■Operating PSK (Continued) DDFunctions for the PSK decoder display qqPush the Mode key [RTTY/PSK] to select the PSK mode. • A fter the PSK mode is selected, hold down [RTTY/PSK] for 1 second to toggle between the PSK and PSK-R modes. • "PSK" or "PSK-R" - Icom IC-7850 | Instruction Manual - Page 104
Previous view 5 RECEIVE AND TRANSMIT DDAbout the BPSK and QPSK modes The BPSK and QPSK modes are selectable in the PSK31 mode. • The BPSK (Binary Phase Shift Keying) mode is the most commonly used mode. • The QPSK (Quadrature Phase Shift Keying) mode has error correction capability to provide - Icom IC-7850 | Instruction Manual - Page 105
[RTTY/PSK] for 1 second to select the PSK and PSK-R modes. Mode keys DDAFC/NET functions The IC-7850 has an AFC (Auto Frequency Control) function. This is convenient to tune the PSK signal. The IC-7850 also has a NET function that transmits the PSK signal tuned by the AFC function. ➥➥In the PSK - Icom IC-7850 | Instruction Manual - Page 106
RECEIVE AND TRANSMIT DDPSK memory transmission Preset characters can be sent using the PSK memory. Contents of the memory are entered in the PSK memory edit screen. The Multi-function screens are OFF: qqPush [DECODE](F). • The PSK decode screen is displayed. wwPush [TX MEM](F) to select the PSK - Icom IC-7850 | Instruction Manual - Page 107
to transmit the selected memory and push [F12] again to return to receive. ttPush [EXIT/SET]. • Exits the PSK memory edit screen. (F) Function keys [EXIT/SET] • PSK memory edit screen NOTE: When no keyboard is connected, the transceiver always functions using the "AUTO TX/RX" setting. 5-30 - Icom IC-7850 | Instruction Manual - Page 108
PT1 MYCALLx2 ↵DE Icom Icom K↵ PT2 MYCALLx3 ↵DE Icom Icom Icom K↵ PT3 QSLUR599 ↵QSL UR 599 599 BK↵ PT4 DE+UR599 ↵QSL DE Icom Icom UR 599 599 BK↵ PT5 73 GL SK ↵73 GL SK↵ PT6 CQ CQ CQ ↵CQ CQ CQ DE Icom Icom Icom K↵ PT7 RIG&ANT PT8 EQUIP. ↵My transceiver is IC-7850 & Antenna is a 3-element - Icom IC-7850 | Instruction Manual - Page 109
Previous view 5 RECEIVE AND TRANSMIT ■■Operating PSK (Continued) DDTurning ON the PSK log Turn ON the PSK log to store your PSK operating record, both TX and RX, onto an SD card or USB flash drive. Be sure to insert an SD card or USB flash drive, otherwise this function does not work. qqD isplay - Icom IC-7850 | Instruction Manual - Page 110
Previous view 5 RECEIVE AND TRANSMIT DDConfirm the PSK log contents You can confirm the PSK log contents on the transceiver display. qqD isplay the PSK decode screen, then push [](F). DECODE [F-3] [F-1] Displays • The function menu changes to Menu 2. wwPush [LOG VIEW - Icom IC-7850 | Instruction Manual - Page 111
Previous view 5 RECEIVE AND TRANSMIT ■■Operating PSK (Continued) DDPSK decode set mode This Set mode is used to set the FFT scope setting, time stamp setting, and so on. qqD isplay the PSK decode screen, then push [](F). DECODE [F-3] [F-1] Displays • The function menu - Icom IC-7850 | Instruction Manual - Page 112
Previous view PSK Font Color (Recieve) (Default: (R) 128 (G) 255 (B) 128) Sets the text color for received characters. • The color is set in the RGB format. • Push [t u](F) to select R (Red), G (Green) and B (Blue). Rotate [MAIN DIAL] to adjust the ratio from 0 to 255. • The color is - Icom IC-7850 | Instruction Manual - Page 113
ttRotate [RF PWR] to adjust the output power. • The TX power readout displays the setting level. yyPush the Multi-function [METER]() key to select the Po meter. uuTransmit. • Push [TRANSMIT] or [PTT] (microphone). • The [TX] indicator lights red. iiRotate [MIC] to adjust the Microphone gain - Icom IC-7850 | Instruction Manual - Page 114
the [SPLIT] indicator lights. • The shifted transmit frequency, "TONE" and "TX" appear in the Sub band. • You can independently set the frequency offset for the HF band and the 50 MHz band (p. 15-14). You can also set the Repeater tone frequency (p 5-38). ttOperate in the normal way. While using - Icom IC-7850 | Instruction Manual - Page 115
setting Some repeaters require subaudible tones to be accessed. Subaudible tones are superimposed on your normal signal, and must be set in advance. The transceiver has 50 tones from 67.0 Hz to 254.1 Hz. qqHold down the Multi-function [TONE]() key for 1 second. • The Tone frequency screen is - Icom IC-7850 | Instruction Manual - Page 116
Previous view 5 RECEIVE AND TRANSMIT ■■Tone squelch operation The tone squelch opens only when you receive a signal containing a matching subaudible tone in the FM mode. You can silently wait for calls from others using the same tone. When you transmit, the tone frequency is superimposed on your - Icom IC-7850 | Instruction Manual - Page 117
consult the manual that comes with C onnect a PC or other device to the transceiver. (p. 3-8) qqPush a band key to select a • Normally, the LSB mode is used in the HF band, and the FM mode is used in the ttPush the Multi-function [METER]() key to select the Po meter. yyRotate [RF PWR] to adjust - Icom IC-7850 | Instruction Manual - Page 118
Previous view SCOPE OPERATION Section 6 ■■Spectrum scope screen 6-2 DDOperating the Spectrum scope 6-3 DDCenter mode 6-4 DDFixed mode 6-5 DDDual scope screen 6-6 DDMini scope screen 6-6 DDScope attenuator 6-7 DDAdjusting the Reference level 6-8 DDSweep speed 6-9 DDScope set screen 6-10 - Icom IC-7850 | Instruction Manual - Page 119
selected band, as well as the relative strengths of various signals. The IC-7850 has two spectrum scope modes. One is the Center mode, and another are generated in the internal scope circuit and do not indicate a transceiver malfunction. • Center mode screen Center/Fixed mode icon Span (Display - Icom IC-7850 | Instruction Manual - Page 120
Previous view 6 SCOPE OPERATION DDOperating the Spectrum scope The Multi-function screens are OFF: qqPush [SCOPE](F). • The Spectrum scope screen is displayed. Function Action Selects the Function menu. When the Center mode is selected, selects the scope span. SPAN • - Icom IC-7850 | Instruction Manual - Page 121
Sub band in the Scope screen. However, the operating frequency stays on the Center of the screen when the Center mode is selected. Thus, the transceiver does not display the MAIN maker on the Main scope, nor the SUB maker on the Sub scope. • When the Hold function is ON, the - Icom IC-7850 | Instruction Manual - Page 122
mode screen [EXIT/SET] [MAIN DIAL] The Marker display in the Fixed mode In the Fixed mode, the Marker displays the operating frequency. So, the transceiver always displays the MAIN marker on the Main scope, or the SUB marker on the Sub scope. • Marker types : MAIN marker displays the operating - Icom IC-7850 | Instruction Manual - Page 123
Previous view 6 SCOPE OPERATION ■■Spectrum scope screen (Continued) DDDual scope screen This transceiver has a Dual scope mode that simultaneously displays the Main and Sub scopes during Dualwatch operation. You can select the "Over/Under" or "Side by Side" - Icom IC-7850 | Instruction Manual - Page 124
Previous view 6 SCOPE OPERATION DDScope attenuator While operating in the band with a high noise floor, set the Scope attenuator to reduce the noise level. • Even if the Scope attenuator is ON, it does not affect the receiver sensitivity. The Multi-function screens are OFF: qqPush [SCOPE](F). - Icom IC-7850 | Instruction Manual - Page 125
Previous view 6 SCOPE OPERATION ■■Spectrum scope screen (Continued) DDAdjusting the Reference level When monitoring a weak signal that is buried in the noise floor, or monitoring a strong signal but some stronger signals is nearby, adjust the Reference level of the screen helps to see these signals - Icom IC-7850 | Instruction Manual - Page 126
Previous view 6 SCOPE OPERATION DDSweep speed Select the sweep speed to change the FFT (Fast Fourier Transform) scope renew speed and the waterfall speed. • If you want to change only the waterfall speed, you can select "SLOW," "MID," or "FAST" in the Scope set screen. qqD isplay the Scope - Icom IC-7850 | Instruction Manual - Page 127
Previous view 6 SCOPE OPERATION ■■Spectrum scope screen (Continued) DDScope set screen This Set screen is used to set the waveform color, Scope range for the Fixed mode, and so on. qqDisplay the Scope screen, then hold down [EXPD/ SET](F) for 1 second. SCOPE [F-1] EXPD/SET [F-7] • The Scope set - Icom IC-7850 | Instruction Manual - Page 128
Previous view 6 SCOPE OPERATION Waveform Type (Default: Fill) Select the outline waveform display for the Spectrum scope. • Fill: The waveform is drawn only in color. • Fill + Line: T he waveform is drawn in color with an outline. Waveform Color (Current) (Default: (R) 217 (G) 241 (B) 247 - Icom IC-7850 | Instruction Manual - Page 129
Previous view 6 SCOPE OPERATION ■■Spectrum scope screen (Continued) Fixed Edges (0.03 - 1.60) (Default: 0.500-1.500 MHz) (Default: 0.500-1.500 MHz) (Default: 0.500-1.500 MHz) Set the Upper and Lower Edge frequencies for the Fixed mode. Three edges are assigned to each band. Push - Icom IC-7850 | Instruction Manual - Page 130
Previous view Fixed Edges (22.00 - 26.00) (Default: 24.890-24.990 MHz) (Default: 24.890-24.930 MHz) (Default: 24.930-24.990 MHz) Set the Upper and Lower Edge frequencies for the Fixed mode. Three edges are assigned to each band. Push [EDGE](F) to select the edge. • Selectable range: 22. - Icom IC-7850 | Instruction Manual - Page 131
Previous view 6 SCOPE OPERATION ■■Spectrum scope screen (Continued) DDUSB mouse operation If you connect a USB mouse to the transceiver, a mouse pointer appears on the Spectrum scope screen. Now, you can change the frequency or settings by using the mouse. • Clicking while holding down [XFC] - Icom IC-7850 | Instruction Manual - Page 132
Previous view 6 SCOPE OPERATION ■■Audio scope screen This audio scope allows you to display the received signal's frequency component on the FFT scope, and its waveform components on the Oscilloscope. The FFT scope has an waterfall. NOTE: When the Monitor function is ON, you can see the TX audio - Icom IC-7850 | Instruction Manual - Page 133
Previous view 6 SCOPE OPERATION ■■Audio scope screen (Continued) DDAudio scope set mode This set mode is used to set the FFT scope waveform type, color, Waterfall display and oscilloscope waveform color. qqDisplay the Audio scope screen, then hold down [SET](F) for 1 second. AUDIO [F-6] SET - Icom IC-7850 | Instruction Manual - Page 134
set mode 7-9 ■■Dualwatch operation 7-10 ■■Noise blanker 7-11 ï NB Set mode 7-11 ■■Noise reduction 7-12 ■■Digital selector 7-12 ■■Notch function 7-13 ï Auto notch function 7-13 ï Manual notch function 7-13 7-1 - Icom IC-7850 | Instruction Manual - Page 135
2 is a high gain receive amplifier. When it is used during times of strong electric fields, distortion sometimes results. In such cases, set the transceiver to "P.AMP 1" or "P.AMP OFF." Especially for maintaining IP3. Gain is approximately 12dB. High-gain preamp for all bands. Gain is approximately - Icom IC-7850 | Instruction Manual - Page 136
Previous view 7 FUNCTIONS FOR RECEIVE ■■RIT function The RIT (Receive Increment Tuning) function compensates for differences in frequencies of other stations. The function shifts the receive frequency up to ±9.99 kHz in 10 Hz steps, without moving the transmit frequency. qqPush [RIT] to turn ON - Icom IC-7850 | Instruction Manual - Page 137
you are receiving a weak signal, and a strong signal is momentarily received, the AGC function quickly reduces the receiver gain. When that signal disappears, the transceiver may not receive the weak signal because of the AGC action. In that case, select AGC fast, or hold down [AGC-VR] for 1 second - Icom IC-7850 | Instruction Manual - Page 138
electronically narrows the IF passband width by shifting the IF frequency to slightly outside of the IF filter passband, to reject interference. The IC-7850 uses DSP for the PBT function. You can watch the nearby intended signal using the spectrum scope. (p. 6-2) qqRotate [PBT1] (inner control) and - Icom IC-7850 | Instruction Manual - Page 139
Previous view 7 FUNCTIONS FOR RECEIVE ■■IF filter selection The transceiver has 3 IF filter passband widths for each mode, and are selectable in the Filter screen. You can toggle the IF filter between FIL1 (Wide), FIL2 ( - Icom IC-7850 | Instruction Manual - Page 140
different modes are set. (F) Function keys [FILTER] MAIN, SUB Mode keys [EXIT/SET] • When selecting "SHARP" DDRoofing filter selection The IC-7850 has 1.2, 3, 6 and 15 kHz roofing filters for the 1st IF frequency. The roofing filter provides interference reduction from nearby strong signals - Icom IC-7850 | Instruction Manual - Page 141
calibration The IC-7850 has the 1.2 kHz Optimum Roofing Filter operating at 64MHz. The characteristic of this Roofing Filter may slightly vary, depending on the operating environment or after long usage. You can adjust it in the Filter calibration mode. You can automatically or manually adjust the - Icom IC-7850 | Instruction Manual - Page 142
shape to soft or sharp. rrPush [EXIT/SET]. • Exits the Filter Shape Set screen. • Filter Shape Set screen HF SSB (600Hz - ) (Default: SHARP) Select the filter shape for the SSB mode in the HF bands. Options: SHARP or SOFT The set filter shape is automatically used only when the IF filter is - Icom IC-7850 | Instruction Manual - Page 143
Set screen. (p. 15-13) (SET [F-7] > OTHERS [F-5] > Quick Dualwatch) eeRotate [MAIN DIAL] or [SUB DIAL] to set the desired frequency. Normally, the IC-7850 transmits on the MAIN band. During Dualwatch operation, you can transmit on the SUB band by doing the following procedures: • Push [SPLIT] to - Icom IC-7850 | Instruction Manual - Page 144
Previous view 7 FUNCTIONS FOR RECEIVE ■■Noise blanker The Noise blanker eliminates pulse-type noise such as the noise from car ignitions. The Noise blanker cannot be used in the FM mode. qqPush [NB] to turn ON the Noise blanker function. • [NB] indicator lights. • Pushing [NB] toggles the Noise - Icom IC-7850 | Instruction Manual - Page 145
can result in audio signal masking or distortion. Set the [NR] control for maximum readability. ■■Digital selector The Digital selector control manually adjusts the center frequency of the automatic preselector. The automatic preselector adds selectivity ahead of the 1st mixer. This reduces - Icom IC-7850 | Instruction Manual - Page 146
Previous view 7 FUNCTIONS FOR RECEIVE ■■Notch function The IC-7850 has Auto and Manual notch functions. • Auto notch: Used in the SSB, AM, or FM mode • Manual notch: Used in the SSB, CW, RTTY, PSK, or AM mode [NOTCH] indicator [NOTCH] control MAIN, SUB DDAuto notch function The Auto notch - Icom IC-7850 | Instruction Manual - Page 147
Previous view FUNCTIONS FOR TRANSMIT Section 8 ■■About the VOX function 8-2 DDTurning ON the VOX function 8-2 DDAdjusting the VOX function 8-2 DDVOX set mode 8-3 ■■About the Break-in function 8-4 DDSemi break-in operation 8-4 DDFull break-in operation 8-4 ■■About the ∂TX function 8-5 DD∂TX - Icom IC-7850 | Instruction Manual - Page 148
above this key lights white. eeWhile speaking into the microphone at your normal voice level, rotate [VOX GAIN] to the point where the transceiver continuously transmits. • Higher values make the VOX function more sensitive to your voice. rrWhile receiving, rotate [ANTI VOX] to the point where - Icom IC-7850 | Instruction Manual - Page 149
Previous view 8 FUNCTIONS FOR TRANSMIT DDVOX set mode qqHold down [VOX/BK-IN] for 1 second. • The VOX set screen is displayed. wwSelect the desired item using by pushing [p](F) or [q](F). eeRotate [MAIN DIAL] to the desired value or level. • Hold down [DEF](F) for 1 second to select a default - Icom IC-7850 | Instruction Manual - Page 150
FOR TRANSMIT ■■About the Break-in function The break-in function is used in the CW mode to automatically toggle the transceiver between transmit and receive when keying. The IC-7850 is capable of full break-in or semi break-in. [KEY SPEED] [DELAY] DDSemi break-in operation In the semi break - Icom IC-7850 | Instruction Manual - Page 151
Previous view 8 FUNCTIONS FOR TRANSMIT ■■About the ∂TX function The ∂TX function shifts the transmit frequency up to ±9.999 kHz in 1 Hz steps (10 Hz steps when the 1 Hz step readout is not visible) without shifting the receive frequency. qqPush [∂TX]. • " ∂TX " is displayed. wwRotate [RIT/∂TX]. ee - Icom IC-7850 | Instruction Manual - Page 152
, in only the SSB mode. qqPush the Mode key to select the USB or LSB mode. wwPush the Multi function [METER]() key several times to select the ALC meter. eeRotate [MIC] to adjust the microphone gain to a suitable level. rrPush the Multi function [COMP]() key. The Speech compressor - Icom IC-7850 | Instruction Manual - Page 153
Previous view 8 FUNCTIONS FOR TRANSMIT ■■Split frequency operation Split frequency operation allows you to transmit and receive in the same mode on two different frequencies. Split frequency operation uses one frequency on the Main band and another on the Sub band. The following is an example of - Icom IC-7850 | Instruction Manual - Page 154
Previous view 8 FUNCTIONS FOR TRANSMIT ■■About the Quick split function When you find a DX station, an important consideration is how to set the split frequency. When you hold down [SPLIT] for 1 second, the Split frequency function is turned ON, the Sub band frequency is equalized to the Main band - Icom IC-7850 | Instruction Manual - Page 155
Previous view VOICE RECORDER FUNCTIONS Section 9 ■■Recording function 9-2 ■■Recording a QSO 9-3 ï Quick recording 9-3 ï Basic recording 9-3 ■■Playing back the recorded audio (QSO 9-4 ■■Operating while playing back 9-5 ■■Deleting recorded audio file 9-6 ■■Deleting recorded audio folder 9-6 ■■ - Icom IC-7850 | Instruction Manual - Page 156
view 9 VOICE RECORDER FUNCTIONS ■■Recording function The IC-7850 has two recording functions, QSO REC and 9-7 Recording Records the QSO Records the con- audio while operating tents of the previous the transceiver. 15 seconds before • Also records the [REC] is pushed. CW audio. • Also - Icom IC-7850 | Instruction Manual - Page 157
interrupted. • After the recording starts, it continues, even if the transceiver is turned OFF and ON again. DDQuick recording You can quickly record recording file's content reaches 2GB, the trans- ceiver automatically creates a new file, and continues recording. eeHold down [QSO REC](F) for 1 - Icom IC-7850 | Instruction Manual - Page 158
Previous view 9 VOICE RECORDER FUNCTIONS ■■Playing back the recorded audio (QSO) You can playback the recorded QSO audio. ❍ The Multi-function screens are OFF. qqPush [VOICE](F). • The VOICE MEMORY screen is displayed. wwPush [QSO PLAY](F). • The QSO PLAYER screen is displayed. • The folder list - Icom IC-7850 | Instruction Manual - Page 159
Previous view 9 VOICE RECORDER FUNCTIONS ■■Operating while playing back You can fast forward or rewind while playing back. • Fast forward while playing Push [](F) to fast forward to the skip time point. (Default: 10 seconds) You can change the skip time in the Voice Set mode. (p. 9-14) VOICE - Icom IC-7850 | Instruction Manual - Page 160
Previous view 9 VOICE RECORDER FUNCTIONS ■■Deleting a recorded audio file You can delete the recorded audio file. ❍ The Multi-function screens are OFF. qqPush [VOICE](F). • The VOICE MEMORY screen is displayed. wwPush [QSO PLAY](F). • The QSO PLAYER screen is displayed. • The folder list is - Icom IC-7850 | Instruction Manual - Page 161
Previous view ■■RX Voice Memory The RX Voice Memory records the previous 15 seconds. This function is convenient for checking misheard audio. The audio is recorded into the built-in memory when [REC] is pushed. Only one audio recording can be made. Also, the recording time can be changed to up to 30 - Icom IC-7850 | Instruction Manual - Page 162
Previous view 9 VOICE RECORDER FUNCTIONS ■■Recording the RX Voice Memory ➥➥Push [REC] in the VOICE MEMORY screen. • Records the previous 15 seconds when [REC] is pushed. • You can change the recording time on the VOICE SET screen as described on page 9-14. (Default: 15 seconds) VOICE [F-2] SET - Icom IC-7850 | Instruction Manual - Page 163
microphone without holding down [PTT]. • While speaking into the microphone at your normal voice level, adjust the [MIC] control so that the "MICREC LEVEL" meter reads 100%. • While recording, the timer counts up the remaining time period. You can record up to 200 seconds that is total of "T1" to - Icom IC-7850 | Instruction Manual - Page 164
Previous view 9 VOICE RECORDER FUNCTIONS ■■Recording or playing back a TX message (Continued) DDProgramming a record name You can enter alphanumeric names of up to 30 characters each. Example: Entering a record name 'CQ JA3YUA' to the voice memory channel T1. ❍ The Multi-function screens are OFF. - Icom IC-7850 | Instruction Manual - Page 165
toggles the function key indication between [T1](F) to [T4](F) and [T5](F) to [T8](F). • The transceiver automatically transmits. • " 4&/% " appears and the memory timer counts down. • The transceiver automatically returns to receive when all of the recorded contents in the memory are transmitted - Icom IC-7850 | Instruction Manual - Page 166
the function key indication between [T1](F) to [T4](F) and [T5](F) to [T8](F). • " 4&/% " appears and the memory timer counts down. • The transceiver automatically returns to receive when all of the recorded contents in the memory are transmitted. • To cancel transmission, push [1−4/5−8](F), [T1 - Icom IC-7850 | Instruction Manual - Page 167
transmit and receive or the squelch status changes between open and closed. When the recording file's content becomes 2 GB, the transceiver continues to record, but to a new file. • ON: While recording, and if you switch between transmit and receive, or the squelch status changes between open - Icom IC-7850 | Instruction Manual - Page 168
Previous view 9 VOICE RECORDER FUNCTIONS ■■Voice Set mode (Continued) PTT Auto REC (Default: OFF) Turn the PTT Automatic Recording function ON or OFF. • OFF: T he recording does not start even if a signal is transmitted. • ON: The recording automatically starts when a sig- nal is transmitted. - Icom IC-7850 | Instruction Manual - Page 169
Previous view USING AN SD CARD OR USB FLASH DRIVE Section 10 ■■About the SD card 10-2 ï Inserting the SD card 10-2 ï Removing the SD card 10-2 ■■Saving the setting data onto an SD card or USB flash drive 10-3 ■■Loading the saved data files onto an SD card or USB flash drive...... 10-4 ■■Saving - Icom IC-7850 | Instruction Manual - Page 170
Icom recommends that you format all SD cards to be used with the transceiver, even preformatted cards for PCs or other uses. (p. 10-6) Saving the transceiver thoroughly read the card's instructions. • If you do new one. We recommend you make a backup file of the important data onto your PC. • Icom - Icom IC-7850 | Instruction Manual - Page 171
's settings can be saved on a card or flash drive. Saving data settings on a card or flash drive allows you to easily restore the transceiver to its previous settings, even if an All reset is performed. qqDisplays the SETTING SAVE screen. SET [F-7] SD/USB [F-7] SAVE [F-2] wwPush [SD/USB - Icom IC-7850 | Instruction Manual - Page 172
settings on the card or flash drive can be copied to the transceiver. This function is convenient when: • Copying the saved data to another IC-7850 to oper- ate with the same data. • Using one IC-7850 by two or more operators with their own individual data. Saving the current data is recommended - Icom IC-7850 | Instruction Manual - Page 173
entry mode. rrPush [DEL](F). • Deletes the pre-entered name. ttEdit the desired characters by rotating [MAIN DIAL] or enter numbers by pushing keypad DIAL] to select "A." • You can use a keyboard connected to the transceiver to enter text or numbers. yyPush [EXIT/SET]. • Returns to the SETTING - Icom IC-7850 | Instruction Manual - Page 174
: Formatting a card or flash drive erases all its data. Before formatting any used card, back up its data onto your PC. If you use a brand new SD card, format it by doing the following steps. qqDisplay the SD/USB-MEMORY SET screen. SET [F-7] SD/USB [F-7] wwHold down [FORMAT](F) for - Icom IC-7850 | Instruction Manual - Page 175
USB flash drive Electrically unmounts the card or flash drive when the power is ON. NOTE: If you remove a card or flash drive from the transceiver without unmounting, the data may be corrupted or deleted. qqDisplays the SD/USB-MEMORY SET screen. SET [F-7] SD/USB [F-7] wwHold down [UNMOUNT - Icom IC-7850 | Instruction Manual - Page 176
Previous view 10 USING AN SD CARD OR USB FLASH DRIVE ■■SD/USB-MEMORY SET screen You can select the various screens from the SD/USBMEMORY SET screen to make detail settings. • VIEW screen • SD/USB-MEMORY SET screen F-3 (p. 10-3) • FORMAT screen (p. 10-6) F-1 F-2 F-3 F-4 F-5 F-6 F-7 F-5 - Icom IC-7850 | Instruction Manual - Page 177
SET screen Load Contents (Default: Select) Select the contents to be loaded from the SD card or USB flash drive to the transceiver. • All: All memories and settings of the file are load- ed into the transceiver. • Select: The specified memories and settings of the file are loaded into the - Icom IC-7850 | Instruction Manual - Page 178
Previous view 10 USING AN SD CARD OR USB FLASH DRIVE ■■SD/USB-MEMORY SET screen (Continued) DDSAVE SET screen SAVE Contents (Default: All) Select the content to be saved onto the SD card or USB flash drive. • All: All memories and settings are saved onto the card or flash drive. • Select: The - Icom IC-7850 | Instruction Manual - Page 179
Previous view MEMORY OPERATION Section 11 ■■Memory channels 11-2 ■■Memory channel selection 11-2 DDUsing the M-CH [p] or [q] keys 11-2 DDUsing the keypad 11-2 ■■Memory list screen 11-3 DDSelecting a memory channel using the Memory List screen......... 11-3 DDConfirming programmed memory - Icom IC-7850 | Instruction Manual - Page 180
Previous view 11 MEMORY OPERATION ■■Memory channels The transceiver has 101 memory channels. The Memory mode is very useful for quickly selecting often-used frequencies. All 101 memory channels are tunable, which means the - Icom IC-7850 | Instruction Manual - Page 181
Previous view MEMORY OPERATION 11 ■■Memory List screen The Memory List screen simultaneously shows 9 memory channels and their programmed contents. 15 memory channels can be displayed in the expanded Memory List screen. You can select a desired memory channel from the Memory List screen. - Icom IC-7850 | Instruction Manual - Page 182
Previous view 11 MEMORY OPERATION ■■Entering Memory channel contents You can enter Memory channel in either the VFO or Memory mode. M-CH [�] or [�] [MW] DDEntering in the VFO mode q Push [V/M] to select the VFO mode. w S et the desired frequency, operating mode and fil- ter. e P ush M-CH [p] - Icom IC-7850 | Instruction Manual - Page 183
Previous view MEMORY OPERATION 11 ■■Copying Memory contents The frequency and operating mode in a memory channel can be copied to the VFO. Copying can be performed in either the VFO or Memory mode. M-CH [�] or [�] [V/M] DDCopying in the VFO mode This is useful for copying Memory contents to the - Icom IC-7850 | Instruction Manual - Page 184
the memory channel name. • A cursor appears and blinks. • Memory channel names of blank channels cannot be edited. rrEdit the desired character by rotating [MAIN DIAL] or by pushing keypad for number input. • Push [ABC]() or [abc]() to toggle between upper case and lower - Icom IC-7850 | Instruction Manual - Page 185
function can be used in both the VFO and memory modes. Use the transceiver's Memo pads instead of relying on hastily scribbled notes that are easily misplaced , the oldest memo pad is automatically erased to make room for the new entry. Each Memo pad must have its own unique combination of frequency - Icom IC-7850 | Instruction Manual - Page 186
Previous view 11 MEMORY OPERATION ■■Memo pads (Continued) DDCalling up a frequency and operating mode from Memo pads You can easily call up the desired frequency and operating mode of Memo pads by pushing [MP-R] several times. • The frequency and operating mode are called up, starting from the - Icom IC-7850 | Instruction Manual - Page 187
Previous view SCANS Section 12 ■■Scan types 12-2 ■■Preparation 12-3 ■■Scan set mode 12-4 ■■Programmed scan 12-5 ■■Fine programmed scan 12-6 ■■Memory scan operation 12-7 ■■Select memory scan operation 12-7 ■■Setting select memory channels 12-8 DDSetting in the Scan screen 12-8 DDSetting in - Icom IC-7850 | Instruction Manual - Page 188
Previous view 12 SCANS ■■Scan types • The scan functions can be used on the Main band only. • You can scan while operating on a frequency using the Dualwatch or Split functions. PROGRAMMED SCAN Repeatedly scans between two Scan Edge frequencies (Scan Edge memory channels P1 and P2). Scan edge - Icom IC-7850 | Instruction Manual - Page 189
status ❍ The scan starts with the squelch open For a Programmed scan: When the tuning step is 1 kHz or less: The scan continues until it is manually stopped- it does not pause* even if signals are detected. *The scan pauses when the squelch is closed and then opened. The scan resumes after - Icom IC-7850 | Instruction Manual - Page 190
Previous view 12 SCANS ■■Scan set mode When the squelch is open, the scan continues until it is manually stopped - it does not pause on detected signals. When the squelch is closed, the scan stops when a signal is detected, then resumes according to the - Icom IC-7850 | Instruction Manual - Page 191
Previous view SCANS 12 ■■Programmed scan A Programmed scan searches for signals between Scan Edge memory channels "P1" and "P2." Before starting the programmed scan, you must enter Scan Edge frequencies into these channels. If the same frequencies are entered into Scan Edge memory channels P1 and - Icom IC-7850 | Instruction Manual - Page 192
Previous view 12 SCANS ■■Fine Programmed scan In the Fine Programmed scan, the scan speed decreases when the squelch opens, but the transceiver keeps scanning. The scanning tuning step changes to 10 Hz when the squelch opens. The Multi-function screens are OFF. qqPush [SCAN](F). • The Scan screen - Icom IC-7850 | Instruction Manual - Page 193
Previous view SCANS 12 ■■Memory scan The Multi-function screens are OFF. qqPush [V/M]. • Selects the Memory mode. • Pushing [V/M] toggles between the VFO and Memory modes. wwPush [SCAN](F). • The Scan screen is displayed. eePush [MEMO](F). • The Memory scan starts. • Push [MEMO](F) to cancel - Icom IC-7850 | Instruction Manual - Page 194
Previous view 12 SCANS ■■Setting Select memory channels DDSetting in the Scan screen The Multi-function screens are OFF. qqPush [V/M]. • Selects the Memory mode. • Pushing [V/M] toggles between the VFO and Memory modes. e Push [SCAN](F). • The Scan screen is displayed. r S elect the desired - Icom IC-7850 | Instruction Manual - Page 195
[MAIN DIAL] • While scanning Blinks Blinks ■■Fine ∂F scan In fine scan (programmed or ∂F), the scan speed decreases when the squelch opens, but the transceiver keeps scanning. The scanning tuning step changes to 10 Hz when the squelch opens. The Multi-function screens are OFF. qqPush [F-5•SCAN - Icom IC-7850 | Instruction Manual - Page 196
Previous view 12 SCANS ■■Tone scan By monitoring a signal on an HF/6 m repeater input frequency, the transceiver can determine the tone frequency required to access the repeater. qqSet the frequency or memory channel to be checked for a tone frequency. wwPush - Icom IC-7850 | Instruction Manual - Page 197
Previous view ANTENNA TUNER OPERATION Section 13 ■■Antenna connection and selection 13-2 ■■Receive Antenna-I/O selection 13-2 ■■Antenna memory settings 13-3 DDSelecting the antenna type 13-4 DDAntenna selection mode 13-5 DDTemporary memory 13-5 DDReceive antenna I/O setting 13-6 ■■About the - Icom IC-7850 | Instruction Manual - Page 198
TUNER OPERATION ■■Antenna connection and selection The transceiver has four antenna connectors for the HF/50 MHz bands, [ANT1], [ANT2], 13-3) () Multi-function keys • Antenna selection mode: "Manual" You can push [ANT]() to manually select a antenna connected to [ANT1] to [ANT4]. ➥Antenna - Icom IC-7850 | Instruction Manual - Page 199
Previous view 13 ANTENNA TUNER OPERATION ■■Antenna memory settings This function stores the antenna connector number for each frequency band. You can assign an antenna connected to [ANT1] to [ANT4] and the two [RX-I/O] and an operating band. NOTE: [ANT1] is set as the default for all operating - Icom IC-7850 | Instruction Manual - Page 200
[ANT2], [ANT3], and/or [ANT4], these antenna connectors can be deactivated- by deleting the antenna number from selection. This prevent the transceiver from accidentally transmitting into an empty antenna connector. In addition, a receive-only antenna can be specified for [ANT4]. q H old down the - Icom IC-7850 | Instruction Manual - Page 201
" screen. (F) Function keys • When the temporary memory is ON. CAUTION: Before transmitting with a manually selected antenna, make sure the selected antenna suits the operating frequency. Otherwise the transceiver may be damaged. Appears when a different antenna from the original is selected. 13 - Icom IC-7850 | Instruction Manual - Page 202
the antenna memory. When you set the settings to [Auto manual] or [Manual Manual], an [RX-I/O] connector is commonly selected regardless of the selected bands, different RX-I/O settings cannot be set. Thus, the transceiver automatically sets the RX-I/O setting of the inoperating band to the correct setting, - Icom IC-7850 | Instruction Manual - Page 203
the transceiver. Be manual tuning. • A side tone is heard and the [TUNER] switch indicator blinks red while tuning. • If the tuner cannot reduce the SWR to less than 1.5:1 after 20 seconds of tuning, the [TUNER] switch indicator goes out. [TUNER] [TUNER] indicator • AUTOMATIC TUNER START (HF - Icom IC-7850 | Instruction Manual - Page 204
tuner in the IC-PW1 When using an external antenna tuner such as the ICPW1's tuner, tune with the external antenna tuner, and turn OFF the transceiver's tuner. Otherwise, both tuners tune simultaneously and correct tuning may not be obtained. See the instruction manual included with each antenna - Icom IC-7850 | Instruction Manual - Page 205
Previous view CLOCK AND TIMERS Section 14 ■■Time set mode 14-2 DDSetting the Date 14-2 DDSetting the Current time 14-2 DDSetting the UTC Offset 14-2 DDSelecting the CLOCK2 Function 14-3 DDSetting the CLOCK2 UTC Offset 14-3 DDEntering the CLOCK2 Name 14-3 DDSetting the NTP Function 14-4 - Icom IC-7850 | Instruction Manual - Page 206
Previous view 14 CLOCK AND TIMERS ■■Time set mode The IC-7850 has a built-in calendar and 24-hour clock (accuracy of ±75 seconds per month) with daily power ON/OFF timer functions. Before operating these timers, - Icom IC-7850 | Instruction Manual - Page 207
used. In the Time set screen: qqPush [p](F) or [q](F) to select the "CLOCK2 Name" item. wwPush [EDIT](F) to edit the Clock 2 name. • The cursor under the 1st character blinks. eeEdit the desired character by rotating [MAIN DIAL] or by pushing a keypad key for a number entry. • Push [ABC]() or - Icom IC-7850 | Instruction Manual - Page 208
the "NTP Function" item. wwRotate [MAIN DIAL] to select "ON." • The transceiver access the NTP server address that is set in the "NTP Server Address" item. "NTP Server Address" item is selected • When editing the "NTP Server Address" item NOTE: The IC-7850's DHCP function is ON as the default to - Icom IC-7850 | Instruction Manual - Page 209
powers ON. • When using only the Power OFF timer, push [CLR](F) to select "- - -." OFF Set the time that the transceiver powers OFF. • When using only the Power ON timer, push [CLR](F) to select "- - -." MAIN Select the Memory channel on the Main band when the Power - Icom IC-7850 | Instruction Manual - Page 210
• The timer indicator continuously lights. eeWhen the set time arrives, the power is automatically turned ON. rrAfter the power-off period ends, the transceiver sounds 10 beeps and turns OFF • The timer indicator blinks while beeping. The Daily timer action in the Timer set screen must be set to - Icom IC-7850 | Instruction Manual - Page 211
Previous view SET MODE Section 15 ■■Set mode description 15-2 DDSet mode operation 15-2 DDScreen arrangement 15-3 ■■Level set mode 15-4 ■■ACC set mode 15-6 ■■Display set mode 15-10 ■■Time set mode 15-12 ■■Others set mode 15-13 15-1 - Icom IC-7850 | Instruction Manual - Page 212
Previous view 15 SET MODE ■■Set mode description The Set mode is used to make the infrequently changed settings. The IC-7850 has the Level Set mode, ACC Set mode, Display Set mode, Time Set mode, Others Set mode and SD/USB Set mode (See section 10 - Icom IC-7850 | Instruction Manual - Page 213
SET MODE 15 DDScreen arrangement The following screens can be selected from the start up screen. Choose the desired screen using the following guide. • Start up screen Pushing [EXIT/SET] several times returns to the start up screen. • Set mode menu screen F-1 F-2 F-3 F-4 F-5 • Level Set mode - Icom IC-7850 | Instruction Manual - Page 214
Previous view 15 SET MODE ■■Level set mode SSB RX HPF/LPF (Default Sets the receive audio high-pass filter and low-pass filter cut-off frequency in 100 Hz steps. Selectable ranges: HPF: Between 100 Hz and 2000 Hz LPF: Between 500 Hz and 2400 Hz If this item is set, the [SSB RX Tone (Bass)] and [ - Icom IC-7850 | Instruction Manual - Page 215
1% steps) Side Tone Level Sets the CW side tone output level. • Range: 0 to 100% (in 1% steps) (Default: 50%) Side Tone Level Limit (Default: ON) Turns the CW side tone level limiting ON or OFF. APF AF Level (Default: 0 dB) Sets the audio level for the audio peak filter in the CW mode - Icom IC-7850 | Instruction Manual - Page 216
gardless of the transceiver's squelch condition. •ON: The squelch opens and closes, according to the transceiver's squelch condition. sary. • The beep level is limited when the [Beep Level Limit] is ON. • The side tone level is limited when the [Side Tone Level Limit] is ON. ACC-A IF Output - Icom IC-7850 | Instruction Manual - Page 217
sary. • The beep level is limited when the [Beep Level Limit] is ON. • The side tone level is limited when the [Side Tone Level Limit] is ON. ACC-B IF Output • OFF(OPEN): The squelch is always opened re- gardless of the transceiver's squelch condition. S/PDIF AF SQL (Default: OFF(OPEN)) •ON: - Icom IC-7850 | Instruction Manual - Page 218
Select the squelch behavior of [LAN]. • OFF(OPEN): The squelch is always opened re- gardless of the transceiver's squelch condition. • ON: The squelch opens and closes, according to the transceiver's squelch condition. ACC-A MOD Level (Default: 50%) Sets the modulation input level of [A ACC1 - Icom IC-7850 | Instruction Manual - Page 219
RELAY]. Be careful to select the suitable relay type, especially when connecting a non-Icom linear amplifier. • Reed: Use a mechanical relay. (16 V DC/0.5 receive, and outputs the se- lected level (selected with [METER]), during transmit. • S(MAIN): Outputs the receiving signal strength - Icom IC-7850 | Instruction Manual - Page 220
the IC-7850 • OFF: Does not input/output the reference signal. • OUT: Outputs the internal reference signal to the connected equipment(s). REF Adjust Adjusts the internal reference frequency. • Range: 0%-100% (in 1% steps) NOTE: The default setting differs slightly, depending on the transceiver - Icom IC-7850 | Instruction Manual - Page 221
displayed as the opening message, up to 10 characters. (example: your call sign) • Usable characters: Characters (a-z, A-Z, 0-9) and symbols (+ － , @) • Push [EDIT](F) to enter the edit mode. • Push [ABC] or [abc] to toggle the character type between upper case and lower case letters. • Push [123 - Icom IC-7850 | Instruction Manual - Page 222
Previous view 15 SET MODE ■■Time set mode Date Set the date (Year/Month/Day). (The day of the week is automatically set.) • Range: Year 2000-2099, Month/Day 1-1 to 12-31 (Default: 2000) Time (Now) Set the current time. (The time is displayed in the 24 hours format.) • Sets the current time. ( - Icom IC-7850 | Instruction Manual - Page 223
is pushed. Adjust the power limit to between - Icom IC-7850 | Instruction Manual - Page 224
on the HF bands. • Range: -9.999MHz to +9.999MHz (in 1 kHz steps) FM SPLIT Offset (50MHz) (Default: Turn ON the function. • Auto: The transceiver switches to the transverter operating mode when 2 S-meter level announcement ON or OFF. • OFF: The S-meter level is not announced. • ON: The S-meter - Icom IC-7850 | Instruction Manual - Page 225
• Auto: Auto notch. • Manual: Manual notch. • Auto/Manual: Auto notch and manual notch can be toggled. [NOTCH] Switch (AM) (Default: Auto/Manual) Selects the notch function for the AM mode. • Auto: Auto notch. • Manual: Manual notch. • Auto/Manual: Auto notch and manual notch can be toggled - Icom IC-7850 | Instruction Manual - Page 226
Previous view 15 SET MODE ■ Others set mode (continued) CW Normal Side (Default: LSB) Selects the carrier point in the CW normal mode. • LSB: The LSB side. • USB: The USB side. APF Type (Default: SOFT) Selects the audio filter type for APF. • SOFT: Soft sound. The filter bandwidth is - Icom IC-7850 | Instruction Manual - Page 227
connected controller. CI-V Address (Default: 8Eh) Selects the CI-V address. • Range: 02h-8Eh-DFh "8Eh" is the default address of IC-7850. CI-V Transceive Turns the Transceive function ON or OFF. • OFF: Turn the function OFF. • ON: Turn the function ON. (Default: ON) CI-V USB/LANREMOTE - Icom IC-7850 | Instruction Manual - Page 228
: Outputs the status. Address "01h" is reserved. The usable addresses are limited to 02h-DFh. CI-V USB Port (Default: Link to [REMOTE]) Selects USB port. Select the control port to be used for communication between the IC-7850 and PC, according to the operating condition. • OFF: Turn OFF the - Icom IC-7850 | Instruction Manual - Page 229
control to transmit, receive and RTTY (FSK) from the PC, through the USB port. Select the control port to be used for communication between the IC-7850 and PC, according to the operating condition. • OFF: Turn OFF the function. • USB1 DTR: Use the DTR terminal on the CI-V side. • USB1 RTS - Icom IC-7850 | Instruction Manual - Page 230
[DEL](F) to delete the selected character. • Push [EXIT/SET] to cancel and exit the edit mode. • Push [SET](F) to save. Network Control (Valid after Reboot) (Default: OFF) When you remotely control the IC-7850 using the optional RS-BA1, select "ON." • OFF: Turn OFF the function. • ON: Turn - Icom IC-7850 | Instruction Manual - Page 231
. • YES: Authorized. Network Radio Name (Default: IC-7850) When you remotely control the IC-7850 using the optional RS-BA1 software, enter a name of up to 15 characters. Usable characters: Characters (a-z, A-Z, 0-9) and symbols • Push [EDIT](F) to enter the edit mode. • Push [ABC] or - Icom IC-7850 | Instruction Manual - Page 232
■ Cleaning 16-7 ■ Resetting the CPU 16-7 ■ About protection indications 16-8 ■ Opening the transceiver's case 16-8 ■ Fuse replacement 16-9 ■ Clock backup battery replacement 16-9 ■ Troubleshooting 16-10 D Transceiver power 16-10 D Transmit and receive 16-10 D Scanning 16-11 D Display 16 - Icom IC-7850 | Instruction Manual - Page 233
operation The transceiver has built-in voice synthesizer to announce the operating frequency, mode, as well as the S-meter level in clear ➥ Push [SPEECH] to announce the currently selected frequency (or frequency and S-meter level). • Hold down [SPEECH] for 1 second to additionally announce the - Icom IC-7850 | Instruction Manual - Page 234
Previous view MAINTENANCE 16 ■ SWR reading The transceiver has a high-performance SWR meter. The meter displays a stable measurement in real time, even if the transmit output power varies frequently, such as during SSB mode operation. You can measure the SWR - Icom IC-7850 | Instruction Manual - Page 235
very accurate frequency counter is required to calibrate the frequency of the transceiver. However, a rough check may be performed by receiving radio station WWV, WWVH, or other standard frequency signals. CAUTION: The transceiver has been thoroughly adjusted and tested at the factory before being - Icom IC-7850 | Instruction Manual - Page 236
. [Example] Set the call sign JA3YUA. qqSelect the "My Call" item in the Display set screen. SET [F-7] DISPLAY [F-3] My Call w P ush [EDIT](F). • A cursor blinks. e Push [ABC]() or [123 Pushing [123]() again to toggle between numbers and symbols. r Rotate [MAIN DIAL] to select "J." t Push - Icom IC-7850 | Instruction Manual - Page 237
Previous view 16 MAINTENANCE ■ Screen saver function The transceiver has a screen saver function to protect the LCD from the "burn-in" effect. The screen saver functions when no operation is performed for the set - Icom IC-7850 | Instruction Manual - Page 238
as benzine or alcohol when cleaning, as they will damage the transceiver surfaces. ■ Resetting the CPU NOTE: Resetting CLEARS all programmed CPU. q Turn ON the main power switch on the rear panel. • Make sure the transceiver power is still OFF. w W hile holding down [F-INP] and [MW], push [POWER] - Icom IC-7850 | Instruction Manual - Page 239
. The internal cooling fan does not function, so it will take longer to cool the transceiver. The power amplifier temperature can be monitored in the multi-function meter, TEMP gauge. ■ O pening the transceiver's case Follow the case opening procedures shown here when you want to replace the clock - Icom IC-7850 | Instruction Manual - Page 240
weighs approximately 23.5 kg (52 lb). Always have two people available to lift or invert over the transceiver. q Remove the bottom cover. w R eplace the open fuse with a new, properly rated one (TYPE 1202 FUSE 2 A) as shown at right. e Replace the bottom cover. MAINTENANCE 16 ■ C lock - Icom IC-7850 | Instruction Manual - Page 241
Troubleshooting D Transceiver power The following chart is designed to help you correct problems which are not equipment malfunctions. If you are unable to locate the cause of a problem or solve it through the use of this chart, contact your nearest Icom Dealer or Service Center. PROBLEM manually - Icom IC-7850 | Instruction Manual - Page 242
Previous view MAINTENANCE 16 ■ Troubleshooting (Continued) D Scanning PROBLEM POSSIBLE CAUSE SOLUTION REF. Programmed scan start designated as Select channels. Select channels for the scan. D Display PROBLEM POSSIBLE CAUSE The displayed frequency • The dial lock function is activated. - Icom IC-7850 | Instruction Manual - Page 243
Previous view UPDATING THE FIRMWARE Section 17 ■ General 17-2 D Checking the firmware version 17-2 ■ Preparation 17-3 D File downloading 17-3 ■ Firmware update- using an SD card/USB flash drive 17-4 17-1 - Icom IC-7850 | Instruction Manual - Page 244
Previous view 17 UPDATING THE FIRMWARE ■ General The IC-7850's firmware can be updated, if desired. By updating the firmware, new function(s) can be added and the improvement of performance parameters can be made. Ask your dealer or distributor about how to update the firmware if - Icom IC-7850 | Instruction Manual - Page 245
Access the following URL. http://www.icom.co.jp/world/index.html w Click the [Support] button. e C lick the "Firmware Updates/Software Downloads" link. r C lick the desired firmware file link in the IC-7850/ IC-7851 group. t R ead "Regarding this Download Service" carefully, and then click [Agree - Icom IC-7850 | Instruction Manual - Page 246
or a USB flash drive ("IC-7850_7851" folder). • The memory device must be formatted by the IC-7850. w Insert the SD card transceiver power OFF, or if a power failure occurs while updating, the transceiver firmware will be damaged and you will have to send the transceiver back to the nearest Icom - Icom IC-7850 | Instruction Manual - Page 247
" dialog. • The firmware updating screen • "Firmware updating for the main CPU is completed" is displayed in the dialog. !0 H old down [POWER] on the IC-7850 for 1 second to turn OFF the power. • The firmware update completed screen !1 P ush [POWER] to turn ON the power again. • Depending on - Icom IC-7850 | Instruction Manual - Page 248
Previous view CONTROL COMMAND Section 18 ■■Remote control (CI-V) information 18-2 DDCI-V connection 18-2 DDPreparing 18-2 DDData format 18-2 DDData content description 18-10 18-1 - Icom IC-7850 | Instruction Manual - Page 249
driver install guide can be downloaded from Icom web site. Access to "http://www.icom.co.jp/world," then click "Support," " IC-7850 q w ert y u FE FE 8E E0 Cn Sc Data area FD OK message to controller FE FE E0 8E FB FD End of message code (fixed) (fixed) NG code OK code Transceiver - Icom IC-7850 | Instruction Manual - Page 250
frequency 06 see p. 18-10 Operating mode selection for transceive 07 Select VFO mode B0 Exchange main and sub bands OFF; fix) Announce all data with voice synthesizer Announce frequency and S-meter level with voice synthesizer Announce receive mode with voice synthesizer Send/read [ - Icom IC-7850 | Instruction Manual - Page 251
for manual notch width 58 00 WIDE selection for SSB transmit bandwidth 01 MID selection for SSB transmit bandwidth 02 NAR selection for SSB transmit bandwidth 17 see p. 18-12 Send CW messages*1 18 00 Turn OFF the transceiver 01 Turn ON the transceiver*2 19 00 Read the transceiver ID - Icom IC-7850 | Instruction Manual - Page 252
) Send/read beep gain (0000=min. to 0255=max.) Send/read beep gain limit (00=OFF, 01=ON) Send/read headphones output ratio for the volume level ( type selection (00=Reed, 01=MOS-FET) Send/read main band's external meter output selection (0 0=Auto, 01=S (main), 02=Po, 03=SWR, 04=ALC, 05= - Icom IC-7850 | Instruction Manual - Page 253
01 Send/read peak hold set for Bar meter (00=OFF, 01=ON) 0084 00 or (00=OFF, 01=ON) 0086 00 or 01 Send/read manual notch width pop-up indication setting (00=OFF, 01=ON) 0087 /read TX output power limit function (00=OFF, 01=ON) 0109 00 to 05 Send/read the TX Delay setting (HF) (00=OFF, 01 - Icom IC-7850 | Instruction Manual - Page 254
Shutdown) Send/read CI-V transceive set (00=OFF, 01=ON) Send/read the transceive CI-V Address for LAN the DHCP client setting is OFF, sends back the manually set IP address (fixed IP address) Send/read subnet /CATV) 0181 see p. 18-11 Send/read Network radio name (up to 16-character) 0182 00 or 01 - Icom IC-7850 | Instruction Manual - Page 255
FFT scope waveform color 0258 00 or 01 Send/read RTTY decode USOS (00=OFF, 01=ON) 0259 00 or 01 Send/read RTTY decode new line code (00=CR,LF,CR+LF, 01=CR+LF) 18-8 - Icom IC-7850 | Instruction Manual - Page 256
Auto, 01=[ANT]: Auto/[RX-I/O]: Manual, 02=[ANT]: Manual/[RX-I/O]: Manual) 0306 00 or 01 Send/read -12 Send/read limited TX output power level for the TX power limit function 0B 00 or "ON," automatically outputs when changed. 01 Send/read transceiver's status (TX) *When "CI-V Output (for - Icom IC-7850 | Instruction Manual - Page 257
Previous view 18 CONTROL COMMAND DDData content description • Operating frequency Command: 00, 03, 05, 1C 03 q w e r XXXXXXXX t 00 • Band stacking register Command: 1A 01 q XX w XX q Frequency band codes 10 Hz digit: 0-9 1 Hz digit: 0-9 1 kHz digit: 0-9 100 Hz digit: 0-9 100 kHz digit: - Icom IC-7850 | Instruction Manual - Page 258
message, NTP server address, CLOCK2 name, network name, and network radio name contents - Character codes- Letters Character ASCII code Character ASCII code , and some symbols @) are usable. 1A 05 0181 Network radio name Upper and lower case letters, numbers, some symbols and space - Icom IC-7850 | Instruction Manual - Page 259
to transmit a string of characters with no inter-character space. • Transmit output power settings for transmit output power limiting Command : 1A 0A 01: DATA OFF Output power limit 02: DATA ON 0005: 5W~0200: 200W 10 Hz: 0-9 1 Hz: 0-9 1 kHz: 0-9 100 Hz: 0-9 00: + (plus) 01: - (minus) XXXXXXXX - Icom IC-7850 | Instruction Manual - Page 260
Up to 10 characters. See "• Codes for the memory name, opening message, NTP server address, CLOCK2 name, network name, and network radio name contents." o, !0 Operating mode setting See "• Operating mode." • Main or sub band's frequency settings Command : 25 XXXXXX XXXX0 0 00: MAIN Operating - Icom IC-7850 | Instruction Manual - Page 261
Previous view SPECIFICATIONS AND OPTIONS Section 19 ■ Specifications 19-2 D General 19-2 D Transmitter 19-2 D Receiver 19-3 D Antenna tuner 19-3 ■ Options 19-4 19-1 - Icom IC-7850 | Instruction Manual - Page 262
modulation AM Low power modulation FM Phase modulation • Spurious emission: Harmonics More than 60 dB (HF bands) More than 70 dB (50 MHz band) Spurious (except harmonics) More than 50 dB (HF bands) More than 70 dB (50 MHz band) Out of band emission More than 40 - Icom IC-7850 | Instruction Manual - Page 263
and sub) D Antenna tuner • Matching impedance range: 16.7 to 150 Ω unbalanced (HF bands; VSWR better than 3:1) 20 to 125 Ω unbalanced (50 MHz band; VSWR . These are made in the internal circuit and does not indicate a transceiver malfunction. • 0.150 MHz, 1.049 MHz, 19.660 MHz and 24 - Icom IC-7850 | Instruction Manual - Page 264
W RS-BA1 ip remote control software To remotely control radios using the RS-BA1, BE SURE that you comply with your local regulations. Approved Icom optional equipment is designed for optimal performance when used with an Icom transceiver. Icom is not responsible for the destruction or damage to an - Icom IC-7850 | Instruction Manual - Page 265
20-3 ■■[ELEC-KEY] jack 20-3 ■■[KEY] jack 20-3 ■■[EXT KEYPAD] jack 20-4 ■■[REF I/O] connector 20-4 ■■[X-VERTER] connector 20-4 ■■[RELAY] jack 20-4 ■■[METER] jack 20-5 ■■[REMOTE] jack 20-5 ■■[DC OUT] jack 20-5 ■■[EXT-SP] jack 20-5 ■■[S/P DIF] jack 20-5 ■■[RX-I/O] connector 20-5 20-1 - Icom IC-7850 | Instruction Manual - Page 266
Previous view 20 CONNECTOR INFORMATION ■■ACC socket Connects to external equipment or a personal computer to control the external unit or to control the transceiver. Sockets [A ACC1] and [A ACC2] output AF signals of the MAIN band, sockets [B ACC1] and [B ACC2] output AF signals of the SUB band. B - Icom IC-7850 | Instruction Manual - Page 267
Previous view 20 CONNECTOR INFORMATION ■■Microphone connector (Front panel view) q Microphone input i AF output (MAIN band) u GND (Microphone ground) w +8 V DC output y GND (PTT ground) e Frequency up/down t PTT r Squelch switch (MAIN band) 8 V DC is applied to pin 1 for microphone - Icom IC-7850 | Instruction Manual - Page 268
to ground when transmitting to con- L trol an external non-Icom linear amplifier. You can select either mechanical relay or semi- inductive load (such as a relay), a counter-electromotive force can cause the transceiver's malfunction or damage. To prevent this, we recommend adding a switching diode - Icom IC-7850 | Instruction Manual - Page 269
in the ACC set mode. (SET [F-7] > ACC [F-2]) +_ SUB band meter +_ MAIN band meter ■■[EXT-SP] jack B Connects an external speaker. • Output impedance: Output of the SUB band ■■[REMOTE] jack Used for computer control and transceive operation. The optional CT-17 is required when connecting a PC to - Icom IC-7850 | Instruction Manual - Page 270
-2 Clock backup battery replacement 16-9 Confirming programmed memory channels.......... 11-3 Connecting a non-Icom linear amplifier 3-7 Connecting antenna 3-3 Connecting the IC-PW1/EURO 3-7 Connections Advanced connections 3-5 Required connections 3-4 Connector Microphone connector 20-3 [REF - Icom IC-7850 | Instruction Manual - Page 271
-KEY] jack 20-3 [EXT KEYPAD] jack 20-4 [EXT-SP] jack 20-5 [KEY] jack 20-3 [METER] jack 20-5 [RELAY] jack 20-4 [REMOTE] jack 20-5 [S/P DIF] jack 20-5 K KEYER 001 2-4 KEYER CW-KEY 2-5 Keyer memory Editing a Keyer memory 5-11 Keyer set mode 5-13 [KEY] jack 20-3 Key speed 5-7 Keypad 11 - Icom IC-7850 | Instruction Manual - Page 272
Editing (programming) memory names 11-6 Memory scan 12-7 Memory & Settings 10-10 Meter [METER] jack 20-5 Selecting the Meter readout 4-11 Selecting the meter function 7-13 Manual notch function 7-13 NTP Function 14-4 Setting the NTP Server address 14-4 O Opening the transceiver's case 16-8 - Icom IC-7850 | Instruction Manual - Page 273
RTTY log contents 5-21 Turning ON the RTTY log 5-20 RTTY memory Editing the RTTY memory 5-19 RTTY mode Operating RTTY (FSK 5-14 RTTY DECODE 3-2 Rear panel 1-12 Basic connection 3-4 External keypad and meter 3-6 Optional products and external equipment........ 3-5 Receive antenna I/O setting - Icom IC-7850 | Instruction Manual - Page 274
TX 9-11 SM-30 3-9 SM-50 3-9 S-meter squelch 4-4 [S/P DIF] jack 20-5 Specifications 19 Transceiver power 16-10 Transmit Basic transmit operation 4-13 Transmit and receive 16-10 Transmitting 4-13 Transmit filter width (SSB only 8-6 Transmit power limit 4-14 Transmitter 19-2 Troubleshooting - Icom IC-7850 | Instruction Manual - Page 275
Previous view V VBW 6-10 Vector tuning indicator 5-25 VFO or Memory mode selection 4-5 VIEW screen 10-8 Voice 1st Menu 9-13 VOICE MEMORY 9-2 Voice RX Memory 9-7 Load setting 10-9 Basic recording 9-3 Playing back the recorded audio 9-8 Quick playing back 9-8 Recording a QSO 9-3 Recording - Icom IC-7850 | Instruction Manual - Page 276
Edition 97-01 and its annexes relative to amateur transmitter installations. The EC recommended limits are almost identical to the FCC specified 'uncontrolled' limits transmitter is not active for long periods of time. Some radio licenses will require that a timer circuit automatically cuts the - Icom IC-7850 | Instruction Manual - Page 277
Previous view Please record the serial number of your transceiver below for future servicing reference: Serial Number : Date of purchase : Place where purchased : - Icom IC-7850 | Instruction Manual - Page 278
IC-7850 #23 (Europe-01) ■ AT ■ BE ■ CY ■ CZ ■ DK ■ EE ■ FI ■ FR ■ DE ■ GR ■ HU ■ IE ■ IT ■ LV ■ LT ■ LU ■ MT ■ NL ■
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THE TRANSCEIVER
i7850
Instruction Manual
A-7199H-1EX-0a
Printed in Japan
© 2015 Icom Inc.