Icom M73 Instruction Manual
Icom M73 Manual
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- Icom M73 | Instruction Manual - Page 1
INSTRUCTION MANUAL VHF MARINE TRANSCEIVER iM73 iM73EURO This device complies with Part 15 of the FCC Rules. Operation is subject to the condition that this device does not cause harmful interference. IC-M73 IC-M73EURO - Icom M73 | Instruction Manual - Page 2
purchasing this Icom product. The IC-M73/ IC-M73EURO vhf marine transceiver is designed and built with Icom's state of the art technology and craftsmanship. With proper care, this product should provide you with years of trouble-free operation. IMPORTANT READ ALL INSTRUCTIONS carefully and complete - Icom M73 | Instruction Manual - Page 3
Icom radios or charged with Icom chargers. Using third-party or counterfeit battery packs or chargers may cause smoke, fire, or cause the battery to burst. Rconnect the transceiver to an AC outlet. This may pose a fire hazard or result in an electric shock. Rhold the transceiver so that the antenna - Icom M73 | Instruction Manual - Page 4
), Rechargeable Li-ion Battery Pack (BP-245N). C AU TIO N lines: To ensure that your expose to RF electromagnetic energy is within the FCC and IC allowable limits for general population use, always adhere to the following guide- • D O NOT operate the radio without a proper antenna attached, as - Icom M73 | Instruction Manual - Page 5
émettra si vous appuyez sur le bouton du microphone. • TOUJOURS tenir l'antenne éloignée d'au moins 2,5 cm de votre corps au moment d'émettre et utiliser uniquement l'attache pour ceinture Icom illustrée à la p. 43, lorsque vous attachez la radio à votre ceinture, ou à autre chose, de façon à vous - Icom M73 | Instruction Manual - Page 6
in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to - Icom M73 | Instruction Manual - Page 7
. wash the transceiver in water if there is any reason to suspect the waterproofing may not be effective. For example, in cases where the transceiver/battery pack is cracked or broken, or has been dropped, or when the - Icom M73 | Instruction Manual - Page 8
cautions 31 ■ Supplied battery charger 33 ■ Optional battery chargers 34 10 OPTIONAL SWIVEL BELT CLIP 35 ■ Attaching 35 ■ Detaching 35 11 OPTIONAL SPEAKER-MICROPHONE 36 ■ HM-167 descriptions 36 ■ Attaching 36 12 TROUBLESHOOTING 37 13 SPECIFICATIONS 38-39 14 VHF MARINE CHANNEL LIST 40-42 - Icom M73 | Instruction Manual - Page 9
which 10 a radio telephone is compulsory. However, even if you are not required to have these on hand it is your responsibility 11 to be thoroughly acquainted with all pertinent rules and 12 regulations. 13 NOTE: Even though the transceiver is capable of operation on VHF marine channels 3, 21 - Icom M73 | Instruction Manual - Page 10
AND ATTACHMENTS ■ Supplied accessories Handstrap Battery Charger (with two screws) Belt clip (with two screws) Li-ion battery pack AC adapter Flexible antenna ■ Attachments DDFlexible antenna Connect the supplied flexible antenna to the antenna connector. CAUTION: • NEVER carry the - Icom M73 | Instruction Manual - Page 11
2 SUPPLIED ACCESSORIES AND ATTACHMENTS 1 2 DDBattery pack qqAttach the battery pack into the transceiver. DDBelt clip Attach the belt clip to the transceiver. 3 4 Battery pack Supplied screws 5 6 7 8 wwLock the battery pack with the latch. 9 10 11 12 Latch 13 14 CAUTION: NEVER - Icom M73 | Instruction Manual - Page 12
, top and side panels q w e r t y Microphone !2 !1 Function display (p. 6) !0 o i u Speaker q VOLUME CONTROL [VOL] Turns ON power and adjusts the audio level. w PTT SWITCH [PTT] Hold down to transmit; release to receive. e MONITOR KEY [ ] • Manually opens the squelch to monitor the channel while - Icom M73 | Instruction Manual - Page 13
CHANNEL KEY [CH/WX•U/I/C] (IC-M73), [CH] (IC-73EURO) WX•U/I/C] in this instruction manual. i CHANNEL MICROPHONE CONNECTOR [SP MIC] Connects the optional external speaker-microphone. 13 (p. 36) 14 NOTE: Attach the [SP MIC] cap when the optional speaker-microphone is not used. 15 !2 ANTENNA - Icom M73 | Instruction Manual - Page 14
value. w (p. 15) is selected. Appears when a Favorite (TAG) channel e Indicates remaining battery power. Indication Battery level Full Middle Low No battery (Charging required) blinks when the battery is overcharged (or over voltage). r (p. 16) "DUAL" blinks during dualwatch; "TRI - Icom M73 | Instruction Manual - Page 15
indication appears when high power is selected. !6 TRANSMIT ICON (p. 11) Appears during transmit. 1 !7 BUSY ICON (pp. 11, 12) Appears when a signal is received, or the squelch opens. 3 5 7 9 11 13 15 7 - Icom M73 | Instruction Manual - Page 16
IMPORTANT!: Prior to using the transceiver for the first time, fully charge the battery pack. This will help maximize the capability and life of the battery. To avoid damage to the transceiver, turn OFF the radio while charging. DD Channel 16 Channel 16 is the distress and safety channel. It - Icom M73 | Instruction Manual - Page 17
BASIC OPERATION 4 The transceiver has U.S.A.*1, International, Canadian*2 and ATIS*3 channels. You must select the proper channels for the operating area. For Dutch version 2 *1Only USA, UK, EXP, CHN and AUS versions. *2Only USA, EXP and CHN versions. *3Only HOL version. Hold down 4 qqPush - Icom M73 | Instruction Manual - Page 18
4 BASIC OPERATION DDWeather channels The transceiver has 10 pre-programmed weather channels*. These are used for monitoring broadcasts from NOAA (National Oceanographic and Atmospheric Administration.) The transceiver can automatically detect a weather alert tone on the selected weather channel or - Icom M73 | Instruction Manual - Page 19
high power is selected. - Choose low or mid power to conserve battery power; choose high power for longer distance communications. - Some channels are Set the volume 12 w Set the squelch level w Set the squelch level e Select the channel r Set the output 14 power 16 Microphone Speaker 11 - Icom M73 | Instruction Manual - Page 20
ON or OFF. Hold down for 1 second Appears while the lock function is in use. ■The monitor function releases the noise squelch mute to cphaegcek2t7hfeovr odleutmaielsleovfetlh.eSee monitor switch action. ➥ Hold down for 1 second to activate the monitor function. • "" and "" appear and audio - Icom M73 | Instruction Manual - Page 21
] again to return to normal operating mode. Push Shows the squelch level. Appears during squelch level adjustment ■ AquaQuake water draining function 2 The AquaQuake water AquaQuake function can not be activated when an optional 9 speaker-microphone is connected. 10 11 12 13 14 15 16 13 - Icom M73 | Instruction Manual - Page 22
5 SCAN OPERATION (Except for the Dutch version) ■ Scan types Scanning is an efficient way to quickly locate signals over a wide frequency range. The transceiver has a priority scan setting and normal scan setting. In addition, the "Weather alert*" and "Auto scan" functions are also selectable for - Icom M73 | Instruction Manual - Page 23
11 tored during a priority scan.) • Push [Y]/[Z] to check the scanning of Favorite channels, 12 change the scanning direction or resume the scan manually. 13 e To stop the scan, push [SCAN•DUAL]. • "SCAN" disappears. 14 15 When receiving a Push 16 signal, "SCAN" indica- tion blinks and - Icom M73 | Instruction Manual - Page 24
6 DUALWATCH/TRI-WATCH ■ Description Dualwatch monitors Channel 16 while you are receiving on another channel; Tri-watch* monitors Channel 16 and the call channel while receiving on another channel. *For the Dutch transceiver version Only Dualwatch can be used. DUALWATCH/TRI-WATCH SIMULATION Ch 16 - Icom M73 | Instruction Manual - Page 25
ATIS code programming function†. †For only the Dutch and German versions. ‡Depending on versions. D FUNCTION MODE ITEMS Playback function*,‡ Manual recording function‡ 1 2 D Entering the function mode qqPush [F] to enter the function mode. 3 • "PLAY" (Play back function) appears. • When no - Icom M73 | Instruction Manual - Page 26
The previously recorded signal will be overwritten when you record the next audio using this function. • Example- Manual recording [Less than 30 seconds] Start manual recording. Stop manual recording. Example: 20 seconds When receiving a signal for 30 seconds or less, this function records all - Icom M73 | Instruction Manual - Page 27
7 FUNCTION MODE OPERATION ■ A utomatic recording function (Depending on versions) 1 2 When this function is turned ON, the transceiver automatically records the received signal into the memory. The maximum recording time is 60 seconds. • The transmit signal cannot be recorded. • If a signal - Icom M73 | Instruction Manual - Page 28
back modes as follows. • Playing back the all contents of the manual recording Select "M-PLAY" Playing back for 30 seconds (maximum). • again. Blinks while playbacking. Playback mode appears. DO NOT detach the battery pack while the transceiver is turned ON. Otherwise, the data could be lost - Icom M73 | Instruction Manual - Page 29
MODE OPERATION ■ Channel naming function 1 The IC-M73/IC-M73EURO can assign up to 10-character DD 4 When shipped from the factory, the IC-M73/IC-M73EURO ond to select a channel group, if necessary. 5 is programmed with default names for each VHF marine wwPush [F] to enter the function mode, - Icom M73 | Instruction Manual - Page 30
16-character opening comments. You may replace the factory-set opening comment with a comment of your own. The opening comment appears each time the IC-M73/IC-M73EURO is powered ON. The comment may be up to 16 characters long. You can use same characters as "Channel naming function." (p. 21 - Icom M73 | Instruction Manual - Page 31
7 FUNCTION MODE OPERATION ■ A TIS code programming (For only the Dutch and German versions) 1 2 The 10-digit ATIS code can be programmed and confirmed with the following operation. The ATIS code programming is not necessary and confirmation can only be performed when the ATIS code has been - Icom M73 | Instruction Manual - Page 32
7 FUNCTION MODE OPERATION ■ Backlight function This function is convenient for nighttime operation. The backlighting can also be turned OFF in the SET mode. (p. 27) ➥ P ush any key other than [PTT] to turn ON the backlighting. • The backlighting is automatically turned OFF after 5 seconds of - Icom M73 | Instruction Manual - Page 33
8 SET MODE ■ SET mode programming The SET mode is used to change the status of 17 transceiver functions†: Beep tone function, Weather alert function†, Priority scan, Scan resume timer, Auto scan start function, Dual/ Tri-watch function, Monitor key action, Display backlight, LCD contrast selection, - Icom M73 | Instruction Manual - Page 34
function is turned ON, any detected weather alert will make the IC-M73/IC-M73EURO activate a blinking " " alert icon on the function repeatedly sound a beep tone. The blinking and beeping stops when the radio is picked up and operated. The previously selected weather channel is checked any - Icom M73 | Instruction Manual - Page 35
. See page 16 for details. Push Dualwatch (default) Tri-watch 1 2 DDMonitor key action " " The monitor key action temporarily cuts off the squelch 3 function. This key action contains PUSH (Pu) or HOLD (Ho) 4 settings, as shown below. • Pu (PUSH): After pushing [ ] for 1 second, the - Icom M73 | Instruction Manual - Page 36
8 SET MODE DDLCD contrast selection " " The contrast of the LCD can be set to Hi (default) or Lo. Push High contrast (default) Low contrast DDAuto power save function " " The auto power save function reduces current drain by de- activating the receiver circuit for preset intervals. • ON - Icom M73 | Instruction Manual - Page 37
SET MODE 8 DDRX Noise Cancel function " " Set the Noise Cancel function for reception. The function may not be available, depending on the transceiver version. • OFF : Turns OFF the function. • 1 : The Noise Cancel function reduces random noise compo- nents in the received signal to - Icom M73 | Instruction Manual - Page 38
8 SET MODE DDAutomatic recording threshold level " " Set the automatic recording threshold level. The function may not be available, depending on the transceiver version. • 1 : Set the threshold level to shallow. Weak signals will automatically be recorded into memory. • 2 : Set the - Icom M73 | Instruction Manual - Page 39
battery rupture. Misuse can also cause other battery damage or degradation of battery performance. • R DANGER! Use and charge only specified Icom battery pack with Icom transceiver. Only Icom battery specified in this instruction manual. 11 • R DANGER! If fluid from inside the battery gets in - Icom M73 | Instruction Manual - Page 40
This could corrode the battery charger terminals or damage the charger. The charger is not waterproof. • CAUTION: DO NOT charge the battery outside of the specified temperature range: +10˚C to +40˚C (+50˚F to +104˚F). Icom recommends charging the battery at +20˚C (+68˚F). The battery may heat up or - Icom M73 | Instruction Manual - Page 41
charging. OPC-515L* (for a 13.8 V power source) or the CP-25H (for a 12 V 8 9 cigarette lighter 10 Battery pack socket) can be used instead of the AC 11 adapter. AC adapter 12 13 Charger indicator 14 15 16 *CAUTION: NEVER connect the OPC-515L to a power source using reverse polarity - Icom M73 | Instruction Manual - Page 42
packs. The following items are additionally required. (Charging time: approximately 2.5 hours) • Six AD-129 charger adapters • An AC adapter (BC-157S) or the DC power cable (OPC-656) Battery pack Transceiver Turn OFF power NEVER transmit near the BC-197 or the AC adapter while charging. The - Icom M73 | Instruction Manual - Page 43
10 OPTIONAL SWIVEL BELT CLIP ■ Attaching qqScrew the base clip to the back of the transceiver using the two screws (supplied), as shown to the right. Supplied screws wwClip the belt clip over your belt and insert the transceiver. eeOnce the transceiver is locked in place, it swivels. ■ - Icom M73 | Instruction Manual - Page 44
it. Attaching: Attach the cap in the direction of the arrow completely. IMPORTANT: KEEP the transceiver's [SP MIC] connector cap attached when the speaker-microphone is not in use. Water will not get into the transceiver even if the cover is not attached; however, the terminals (pins) will become - Icom M73 | Instruction Manual - Page 45
TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION REF. 1 The transceiver does not • The battery is depleted. turn ON. • Recharge the battery pack. pp. 33, 34 2 • Bad connection to the battery pack. • Check the connection to the transceiver. p. 3 3 No sound from the • Squelch for service. - Icom M73 | Instruction Manual - Page 46
SPECIFICATIONS • IC-M73 DDGeneral • Frequency and EXP versions : 0.22 µV (12 dB SINAD) • Squelch sensitivity (at threshold, typical) : 0.35 µV 38 • DC nominal (negative ground) • Frequency stability : ±1.5 kHz • Antenna impedance : 50 ˘ nominal • Dimensions (approximately) : 52.5(W) - Icom M73 | Instruction Manual - Page 47
3 • Frequency stability : ±10 ppm (-10°C to +55°C) 4 • Antenna impedance : 50 ˘ nominal • Dimensions (approximately) : 52.5(W) × 125(H) • Sensitivity (typical) : -5 dBµ emf (20 dB SINAD) 14 • Squelch sensitivity (at threshold, typical) 15 : -6 dBµ emf • Intermodulation rejection - Icom M73 | Instruction Manual - Page 48
14 VHF MARINE CHANNEL LIST DDFor IC-M73EURO • International channels Frequency (MHz) CH Transmit Receive 01 156.050 160.650 02 156.100 160.700 03 156.150 - Icom M73 | Instruction Manual - Page 49
VHF MARINE CHANNEL LIST 14 DDFor IC-M73EURO 1 • USA channels (for U.K. version only) 2 CH Frequency (MHz) CH Frequency (MHz) CH Frequency (MHz) CH Frequency (MHz) CH Frequency ( - Icom M73 | Instruction Manual - Page 50
14 VHF MARINE CHANNEL LIST DCDhFanonrelInCum-Mber7F3reaqunedncyIC(M-HMz) 73CEhUanRneOl nu(mAbuerstFrreaqluiean)cy (MHz) USA INT CAN Transmit Receive USA INT CAN Transmit Receive 01 01 156.050 160. - Icom M73 | Instruction Manual - Page 51
charger + BC-123SA/SE/SV ac adapter For rapid charging of battery -microphone Full sized waterproof speaker-microphone antenna 14 *For only for the EUR, UK, FRG and HOL versions. 15 Approved Icom optional equipment is designed for optimal performance when used with an Icom transceiver. Icom - Icom M73 | Instruction Manual - Page 52
power save function 28 Auto scan function 27 AVERTISSEMENT POUR LES OPÉRATEURS RADIO iv - B - Backlight function 24, 27 BASIC OPERATION 8 BATTERY CASE AND PACK 43 Battery caution 31 BATTERY CHARGING 31 Battery pack 3 BC-210 installation 33 Beep tone function 26 Belt clip 3, 43 - C - Call - Icom M73 | Instruction Manual - Page 53
Supplied battery charger 33 - T - 11 TABLE OF CONTENTS vii Transmitter 38, 39 12 TROUBLESHOOTING 37 13 TX bass boost function 29 TX Noise Cancel function 29 14 - U - 15 Usable characters 21 U.S.A., International, Canadian and ATIS channels 9 16 - V - VHF MARINE CHANNEL LIST - Icom M73 | Instruction Manual - Page 54
MEMO 46 - Icom M73 | Instruction Manual - Page 55
MEMO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 47 - Icom M73 | Instruction Manual - Page 56
< Intended Country of Use > AT BE CY CZ DK EE FI FR DE GR HU IE IT LV LT LU MT NL PL PT SK SI ES SE GB IS LI NO CH BG RO TR HR A-7070D-1EX-q Printed in Japan © 2013 Icom Inc. Printed on recycled paper with soy ink. 1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003, Japan
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INSTRUCTION MANUAL
iM73
VHF MARINE TRANSCEIVER
This device complies with Part 15 of the FCC Rules. Opera-
tion is subject to the condition that this device does not
cause harmful interference.
iM73EURO
IC-M73
IC-M73EURO