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Icom IC-7850 Instruction Manual - Page 64

Adjusting the Squelch level, Selecting Main and Sub bands, Selecting the VFO or Memory mode

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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 hand side of the LCD. Some functions can only be applied to the selected band, and transmission occurs on only the Main band (except during split frequency operation). ➥➥Push [MAIN] to select the Main band. • The key backlight for [MAIN] lights. • The Main band's frequency readout is highlighted. ➥ Push [SUB] to select the Sub band. • The key backlight for [SUB] lights. • The Sub band's frequency readout is highlighted. 4 BASIC OPERATION [MAIN] [SUB] ■■Selecting the VFO or Memory mode ➥➥Push [V/M] to toggle between the VFO and Memory modes. • "VFO" appears when in the VFO mode, and the selected memory channel number appears when in the Memory mode. • Hold down [V/M] for 1 second to transfer the contents of the selected memory channel to the VFO. (p. 11-5) VFO indicator Memory channel number [V/M] 4-5

Section	Page
Top page	1
FOREWORD	2
IMPORTANT	3
EXPLICIT DEFINITIONS	3
TRADEMARKS	3
PRECAUTIONS	4
FCC INFORMATION	5
ABOUT THE SUPPLIED CD	5
Starting the CD	5
FUNCTIONS AND FEATURES of Adobe® Reader®	6
DESCRIPTION INFORMATION	7
SUPPLIED ACCESSORIES	8
Section 1 PANEL DESCRIPTION	17
Front panel	18
Rear panel	28
Display	30
Screen menu arrangement	32
Section 2 SET MODE ITEMS	33
About the Setting screen configuration	34
SCOPE SET	35
VOICE SET	36
KEYER 001	36
KEYER CW-KEY	37
RTTY LOG SET	37
RTTY DECODE SET	37
PSK LOG SET	38
PSK DECODE SET	38
SCAN SET	38
AUDIO SCOPE SET	38
LEVEL SET	39
ACC SET	40
DISPLAY SET	42
TIME SET	43
OTHERS SET	43
LOAD SET	48
SAVE SET	48
ANT TYPE	48
VOX	49
NB	49
FILTER SHAPE SET	49
Section 3 INSTALLATION AND CONNECTIONS	50
Unpacking	51
Selecting a location	51
Grounding	51
Attaching the rack mounting handle	51
Connecting antenna	52
Required connections	53
Front panel (Electronic keyer and microphone)	53
Rear panel (Basic connection)	53
Advanced connections	54
Front panel (Microphone, headphones and SD card)	54
Rear panel (Optional products and external equipment)	54
Rear panel (Optional products and external equipment)	55
Rear panel (External keypad and meter)	55
Linear amplifier connections	56
Connecting the IC-PW1/EURO	56
Connecting a non-Icom linear amplifier	56
FSK and AFSK (SSTV) connections	57
Microphones (optional products)	58
SM-50	58
SM-30	58
HM-36	59
Section 4 BASIC OPERATION	60
When first applying power	61
Power ON	62
Resetting the CPU (initial setup)	62
Adjusting the Volume level	63
Adjusting the Squelch level	64
Selecting Main and Sub bands	64
Selecting the VFO or Memory mode	64
Selecting an operating band	65
Using the band stacking registers	65
Setting the frequency	66
Tuning with [DIAL]	66
About the Quick tuning step	66
Selecting the Fine tuning function	67
About the Auto tuning step function	67
About the 1⁄4 tuning step function	68
Entering the frequency with the keypad	68
Selecting the Operating mode	69
Selecting the Meter readout	70
Digital multi-function meter	70
Selecting the meter type	71
Dial lock function	71
Basic transmit operation	72
Transmitting	72
Adjusting the microphone gain	72
Adjusting the drive gain	73
Transmit power limit	73
Band edge warning beep	74
Entering the user band edge	75
About the 5 MHz frequency band operation (USA version only)	77
Section 5 RECEIVE AND TRANSMIT	78
Convenient functions for receive	79
Convenient functions for Transmit	80
Operating SSB	81
Operating CW	82
About the CW pitch control	83
APF (Audio Peak Filter) operation	83
Adjusting the Key speed	84
About the CW reverse mode	84
CW side tone function	84
About 137 kHz band operation (Europe, UK, Italy, Spain, France versions only)	85
Electronic keyer functions	86
Memory keyer screen	87
Editing a Keyer memory	88
Contest number set mode	89
Keyer set mode	90
Operating RTTY (FSK)	91
About the RTTY reverse mode	92
Twin peak filter	92
Functions for the RTTY decoder display	93
Setting the decoder threshold level	94
RTTY memory transmission	94
Automatic transmission/reception setting	95
Editing the RTTY memory	96
Turning ON the RTTY log	97
Confirm the RTTY log contents	98
RTTY decode set mode	99
Operating PSK	101
Vector indicator and Waterfall display	102
Functions for the PSK decoder display	103
About the BPSK and QPSK modes	104
About the BPSK31 and BPSK63 modes	104
Setting the decoder threshold level	105
About PSK reverse mode	105
AFC/NET function	105
PSK memory transmission	106
Automatic transmission/reception setting	107
Editing the PSK memory	108
Turning ON the PSK log	109
Confirm the PSK log contents	110
PSK decode set mode	110
Operating AM or FM	113
Repeater operation	114
Checking the repeater input signal	114
Repeater tone frequency setting	115
Tone squelch operation	116
Data mode (AFSK) operation	117
Section 6 SCOPE OPERATION	118
Spectrum scope screen	119
Operating the Spectrum scope	120
Center mode	121
Fixed mode	122
Dual scope screen	123
Mini scope screen	123
Scope attenuator	124
Adjusting the Reference level	125
Sweep speed	126
Scope set screen	127
USB mouse operation	127
Audio scope screen	132
Audio scope set mode	133
Section 7 FUNCTIONS FOR RECEIVE	134
Preamplifier	135
Attenuator	135
RIT function	136
RIT monitor function	136
AGC function control	137
Selecting the preset value	137
Adjusting the AGC time constant	137
Setting the AGC time constant preset value	137
Twin PBT operation	138
IF filter selection	139
IF filter selection	139
DSP filter shape	140
Roofing filter selection	140
1.2 kHz Filter calibration	141
Filter shape set mode	142
Dualwatch operation	143
Noise blanker	144
NB Set mode	144
Noise reduction	145
Digital selector	145
Notch function	146
Auto notch function	146
Manual notch function	146
Section 8 FUNCTIONS FOR TRANSMIT	147
About the VOX function	148
Using the VOX function	148
Adjusting the VOX function	148
VOX set mode	149
About the Break-in function	150
Semi break-in operation	150
Full break-in operation	150
About the Delta TX function	151
Delta TX monitor function	151
About the Monitor function	151
Setting the Speech compressor (SSB only)	152
Setting the Transmit filter width (SSB only)	152
Split frequency operation	153
About the Quick split function	154
Split lock function	154
Section 9 VOICE RECORDER FUNCTIONS	155
Recording function	156
Recording a QSO	157
Quick recording	157
Basic recording	157
Playing back the recorded audio (QSO)	158
Operating while playing back	159
Deleting recorded audio file	160
Deleting recorded audio folder	160
RX Voice Memory	161
Recording the RX Voice Memory	162
Playing back the recorded audio	162
Quick playing back	162
Recording or playing back a TX message	163
Recording	163
Playing back	163
Programming a record name	164
Transmitting a recorded message	165
Single TX	165
Repeat TX	165
Setting the transmit level	166
Voice Set mode	167
Saving a voice memory onto an SD card or USB flash drive	168
Section 10 USING AN SD CARD OR USB FLASH DRIVE	169
About the SD card	170
Inserting the SD card	170
Removing the SD card	170
Saving the setting data onto an SD card or USB flash drive	171
Loading the saved data files onto an SD card or USB flash drive	172
Saving with a different file name	173
Deleting a data file	174
Formatting an SD card or USB flash drive	174
Unmounting an SD card or USB flash drive	175
SD/USB-MEMORY SET screen	176
LOAD SET screen	177
SAVE SET screen	178
Section 11 MEMORY OPERATION	179
Memory channels	180
Memory channel selection	180
Using the M-CH [p] or [q] keys	180
Using the keypad	180
Memory list screen	181
Selecting a memory channel using the memory list screen	181
Confirming programmed memory channels	181
Entering Memory channel contents	182
Entering in the VFO mode	182
Entering in the memory mode	182
Copying Memory contents	183
Copying in the VFO mode	183
Copying in the Memory mode	183
Memory names	184
Editing (programming) memory names	184
Memory clearing	184
Memo pads	185
Entering frequencies and operating modes into Memo pads	185
Calling up a frequency and operating mode from Memo pads	186
Using the Memo pad list screen	186
Section 12 SCANS	187
Scan types	188
Preparation	189
Scan set mode	190
Programmed scan	191
Fine programmed scan	192
Memory scan operation	193
Select memory scan operation	193
Setting select memory channels	194
Setting in the Scan screen	194
Setting in the Memory list screen	194
Erasing the select scan setting	194
Delta F scan operation	195
Fine Delta F scan	195
Tone scan	196
Voice squelch control function	196
Section 13 ANTENNA TUNER OPERATION	197
Antenna connection and selection	198
Rreceive Antena-I/O selection	198
Antenna memory settings	199
Selecting the antenna type	200
Antenna selection mode	201
Temporary memory	201
Receive antenna I/O setting	202
About the Antenna tuner	203
Using the Antenna tuner operation	203
If the tuner cannot tune the antenna	204
Section 14 CLOCK AND TIMERS	205
Time set mode	206
Setting the Date	206
Setting the Current time	206
Setting the UTC Offset	206
Selecting the CLOCK2 Function	207
Setting the CLOCK2 UTC Offset	207
Entering the CLOCK2 Name	207
Setting the NTP Function	208
Setting the NTP Server address	208
Setting the Daily timer	209
Setting the Sleep timer	210
Timer operation	210
Section 15 SET MODE	211
Set mode description	212
Set mode operation	212
Screen arrangement	213
Level set mode	214
ACC set mode	216
Display set mode	220
Time set mode	222
Others set mode	223
Section 16 MAINTENANCE	232
Adjusting the Main dial brake	233
Using the Voice synthesizer operation	233
SWR reading	234
Calibration the Frequency (approximate)	235
Setting My call sign	236
Cleaning	238
Resetting the CPU	238
About protection indications	239
Opening the transceiver’s case	239
Fuse replacement	240
Clock backup battery replacement	240
Troubleshooting	241
Transceiver power	241
Transmit and receive	241
Scanning	242
Display	242
Section 17 UPDATING THE FIRMWARE	243
General	244
Checking the firmware version	244
Preparation	245
File downloading	245
Firmware update— using an SD card/USB flash drive	246
Section 18 CONTROL COMMAND	248
Remote control (CI-V) information	249
CI-V connection	249
Preparing	249
Data format	249
Data content description	257
Section 19 SPECIFICATIONS AND OPTIONS	261
Specifications	262
General	262
Transmitter	262
Receiver	263
Antenna tuner	263
Options	264
Section 20 CONNECTOR INFORMATION	265
ACC socket	266
Microphone connector	267
[ELEC-KEY] jack	267
[KEY] jack	267
[EXT KEYPAD] jack	268
[REF I/O] connector	268
[X-VERTER] connector	268
[RELAY] jack	268
[METER] jack	269
[REMOTE] jack	269
[DC OUT] jack	269
[EXT-SP] jack	269
[S/P DIF] jack	269
[RX-I/O] connector	269
INDEX	270
INSTALLATION NOTES	276