Icom IC-M73 Instruction Manual
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Icom IC-M73 Instruction Manual

Icom IC-M73 Instruction Manual

Vhf marine transceiver
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INSTRUCTION MANUAL
VHF MARINE TRANSCEIVER
|M73
|M73EURO
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.
IC-M73
IC-M73EURO
(These transceivers use the FA-S64V)

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  • Page 1 INSTRUCTION MANUAL VHF MARINE TRANSCEIVER |M73 |M73EURO 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. IC-M73 IC-M73EURO (These transceivers use the FA-S64V)

  • Page 2: Explicit Definitions

    • Force majeure, including, but not limited to, fires, earth- quakes, storms, floods, lightning, other natural disasters, disturbances, riots, war, or radioactive contamination. • The use of Icom transceivers with any equipment that is not manufactured or approved by Icom. Ihr Partner für Funktechnik www.fellecs-tech.com...

  • Page 3: Precautions

    Icom transceivers or Icom chargers. Only Icom bat- use or place the transceiver in direct sunlight or in tery packs are tested and approved for use with Icom transceiv- areas with temperatures below –20°C (–4°F) or above +60°C ers or charged with Icom chargers.

  • Page 4: Précautions

    être garantie, en raison des risques de dommages pouvant af- batteries Icom spécifiés avec des émetteurs-récepteurs Icom fecter le boîtier ou le joint d’étanchéité de l’émetteur-récepteur. ou un chargeurs Icom. Seuls les packs batteries lcom ont été JAMAIS testés et homologues pour l’utilisation avec des émetteurs- placez l’appareil dans un endroit non sécurisé...

  • Page 5: Safety Training Information

    • ALWAYS keep the antenna at least 2.5 cm (1 inch) away from the body when transmitting, and only use the Icom belt-clips listed on page 43 • FCC KDB Publication 447498 D03, Evaluating Compliance with FCC when attaching the radio to your belt, or other place, to ensure FCC and IC Guidelines for Human Exposure to Radio Frequency Electromagnetic Fields.

  • Page 6: Infomation En Matiére De Sécurité

    Interférence électromagnétique et compatibilité ce produit. L’utilisation d’accessoires autres que ceux précisés peut entraîner En mode de transmission, votre radio Icom produit de l’énergie de RF qui des niveaux d’exposition aux RF supérieures aux limites établies par la FCC et peut provoquer des interférences avec d’autres appareils ou systèmes.

  • Page 7: In Case Of Emergency

    4. “LOCATED AT ..... ” (your position) Contact your Icom distributor or your dealer for advice. 5. State the nature of the distress and assistance required. 6. Give any other information which might facilitate the rescue.

  • Page 8: Table Of Contents

    TABLE OF CONTENTS IMPORTANT ..................i ■ Manual recording function (Depending on versions).....18 EXPLICIT DEFINITIONS ..............i ■ Automatic recording function (Depending on versions) ..19 PRECAUTIONS ................ii ■ Play back function (Depending on versions) ......20 PRÉCAUTIONS ................iii ■ Channel naming function ............21 SAFETY TRAINING INFORMATION ..........

  • Page 9: Operating Rules

    OPERATING RULES D Priorities (2) OPERATOR’S LICENSE A Restricted Radiotelephone Operator Permit is the license • Read all rules and regulations pertaining to call priorities, most often held by small vessel radio operators when a radio and keep an up-to-date copy handy. Safety and distress is not required for safety purposes.

  • Page 10: Supplied Accessories And Attachments

    SUPPLIED ACCESSORIES AND ATTACHMENTS ■ Supplied accessories ■ Attachments D Flexible antenna Connect the supplied flexible Handstrap Battery Charger Belt clip antenna to the antenna connector. (with two screws) (with two screws) CAUTION: • NEVER carry the transceiver by holding the antenna. •...
  • Page 11 SUPPLIED ACCESSORIES AND ATTACHMENTS D Battery pack D Belt clip Attach the belt clip to the transceiver. 1 Attach the battery pack into the transceiver. Supplied screws Battery pack 2 Lock the battery pack with the latch. Latch CAUTION: NEVER remove or attach the battery pack when the transceiver is wet or soiled.

  • Page 12: Panel Description

    PANEL DESCRIPTION ■ Front, top and side panels 1 VOLUME CONTROL [VOL] Turns ON power and adjusts the audio level. 2 PTT SWITCH [PTT] Hold down to transmit; release to receive. 3 MONITOR KEY [ • Manually opens the squelch to monitor the channel while Function held down.
  • Page 13 • Push this key to sequentially select the Favorite (TAG) 7 CHANNEL/WEATHER CHANNEL KEY channels, while ignoring untagged channels, in a channel [CH/WX•U/I/C] (IC-M73), [CH] (IC-M73EURO) group. (p. 15) • Selects and toggles the regular channels and weather • Hold down for 1 second to set or clear the displayed channel* when pushed.

  • Page 14: Function Display

    PANEL DESCRIPTION ■ Function display 4 DUALWATCH/TRI-WATCH ICONS (p. 16) “DUAL” blinks during dualwatch; “TRI” blinks during tri- watch. This may not appear depending on the transceiver version. 5 DUPLEX ICON (p. 9) Appears when a duplex channel is selected. 6 MONITOR ICON (p.
  • Page 15 PANEL DESCRIPTION 11 ATIS ICON (pp. 9, 23) 17 BUSY ICON (pp. 11, 12) Appears when the channel group, in which ATIS function Appears when a signal is received, or the squelch opens. is activated, is selected or while programming an ATIS code.

  • Page 16: Basic Operation

    BASIC OPERATION ■ Channel selection D Call channel IMPORTANT!: Prior to using the transceiver for the first time, fully charge the battery pack. This will help maximize Each regular channel group has separate leisure-use call the capability and life of the battery. To avoid damage to channels.
  • Page 17 BASIC OPERATION D U.S.A., International, Canadian and ATIS channels The transceiver has U.S.A.* , International, Canadian* For the NLD version ATIS* channels. You must select the proper channels for the operating area. Hold down Only USA, UK, EXP, CHN and AUS versions. Only USA, EXP and CHN versions.
  • Page 18 BASIC OPERATION D Weather channels The Weather channel list The transceiver has 10 pre-programmed weather channels*. Frequency (MHz) These are used for monitoring broadcasts from NOAA (Na- WX channel Transmit Receive tional Oceanographic and Atmospheric Administration.) The RX only 162.550 transceiver can automatically detect a weather alert tone on the selected weather channel or while scanning.

  • Page 19: Receiving And Transmitting

    BASIC OPERATION ■ Receiving and transmitting IMPORTANT: To maximize the readability of your transmit- ted signal, pause a second after pushing [PTT]. Hold the microphone 5 to 10 cm from your mouth, and (2 to 4 inches) CAUTION: DO NOT transmit without an antenna. speak at your normal voice level.

  • Page 20: Call Channel Programming

    BASIC OPERATION ■ Call channel programming ■ Lock function The Call channel key is used to select Channel 9* by default. This function electronically locks all keys (except for [PTT], However, you can program your most often-used channel in to prevent accidental channel changes and and [H/L•LOCK]) each channel group for quick recall.

  • Page 21: Adjusting The Squelch Level

    BASIC OPERATION ■ Adjusting the squelch level ■ AquaQuake water draining function To adjust the transceiver’s squelch level, use the [▲]/[▼] keys, as described below. In order to properly receive sig- The AquaQuake water draining function clears water away nals, as well as for the scan to function effectively operate, the from the speaker grill.

  • Page 22: Scan Operation (Except For The Nld Version)

    SCAN OPERATION (Except for the NLD version) ■ Scan types You can find ongoing communication by scanning the Favorite channels. PRIORITY SCAN Before starting a scan, you need to: Sequentially searches through all Favorite channels, while • Set the desired channels you want to scan as Favorite chan- also periodically checking Channel 16.

  • Page 23: Setting Favorite Channels

    SCAN OPERATION (Except for the NLD version) ■ Setting Favorite channels ■ Starting a scan For more efficient scanning, add desired channels as Favor- First, set the weather alert function, priority scan function, ite channels, or clear the Favorite for unwanted channels. scan resume timer and auto scan function, using the SET Untagged channels will be skipped during scanning.

  • Page 24: Dualwatch/Tri-Watch (Except For The Nld Version)

    DUALWATCH/TRI-WATCH (Except for the NLD version) ■ Description ■ Operation Dualwatch and Tri-watch are convenient to periodically check 1 Select a desired operating channel. 2 Hold down [SCAN•DUAL] for 1 second to start Dualwatch Channel 16 while you are operating on another channel. or Tri-watch (depending on the SET mode setting;...

  • Page 25: Function Mode Operation

    FUNCTION MODE OPERATION ■ About the function mode D Entering the function mode There are 7 transceiver functions ‡ in the function mode: Play 1 Push [F] to enter the function mode. ‡ ‡ back function , Manual recording function , Automatic record- •...

  • Page 26: Manual Recording Function (Depending On Versions)

    FUNCTION MODE OPERATION ■ Manual recording function (Depending on versions) You can record the received signal whenever you want by us- 1 Push [F] to enter the function mode, and then push [▲]/[▼] to ing the manual recording function. This function can record the received signal for maximum 30 select the manual recording func- seconds.

  • Page 27: Automatic Recording Function (Depending On Versions)

    FUNCTION MODE OPERATION ■ Automatic recording function (Depending on versions) When this function is turned ON, the transceiver automati- 1 Push [F] to enter the function mode, and then push [▲]/[▼] to cally records the received signal into the memory. The maximum recording time is 60 seconds.

  • Page 28: Play Back Function (Depending On Versions)

    FUNCTION MODE OPERATION ■ Play back function (Depending on versions) This transceiver has two voice recorders. 1 Push [F] to enter the function mode. One is the manual recording function which can record for 30 • “PLAY” appears. 2 Push [H/L•LOCK] to enter the play back selection mode, seconds.

  • Page 29: Channel Naming Function

    • Hold down [CH/WX•U/I/C] for 1 second When shipped from the factory, the IC-M73/IC-M73EURO is to select a channel group, if necessary. 2 Push [F] to enter the function mode, programmed with default names for each VHF marine chan- and then push [▲]/[▼] to select the...

  • Page 30: Opening Comment Entry Function

    [▲]/[▼] to select a comment of your own. The opening comment appears each character. time the IC-M73/IC-M73EURO is powered ON. The com- • Pushing [SCAN•DUAL], moves to left. 5 Continue until the desired charac- ment may be up to 16 characters long.

  • Page 31: Atis Code Programming (For Only The Nld And Frg Versions)

    FUNCTION MODE OPERATION ■ ATIS code programming (For only the NLD and FRG versions) The 10-digit ATIS code can be programmed and confirmed 5 After inputting the 10-digit ATIS with the following operation. code, push [H/L•LOCK] to write the code into the memory, then The ATIS code programming is not necessary and con- goes to the ATIS code confirma- firmation can only be performed when the ATIS code has...

  • Page 32: Backlight Function

    FUNCTION MODE OPERATION ■ Backlight function This function is convenient for nighttime operation. The back- lighting can also be turned OFF in the SET mode. (p. 27)  Push any key other than [PTT] to turn ON the backlighting. • The backlighting is automatically turned OFF after 5 seconds of inactivity.

  • Page 33: Set Mode

    SET MODE ■ SET mode programming D SET mode operation The SET mode is used to change the status of 17 transceiv- er functions†: Beep tone function, Weather alert function†, 1 Turn OFF power. Priority scan, Scan resume timer, Auto scan start function, 2 While holding down [ ], turn ON power to enter the SET Dual/Tri-watch function, Monitor key action, Display back-...

  • Page 34: Set Mode Items

    ON, any detected weather alert will make Except for the NLD version, the scan resume timer can be set the IC-M73/IC-M73EURO activate a blinking “ ” alert as a pause (OFF) or timer scan (ON). When OFF is selected, icon on the function display and repeatedly sound a beep the scan pauses until a received signal disappears.
  • Page 35 SET MODE D Auto scan function “ ” D Monitor key action “ ” Except for the NLD version, the auto scan function automati- The monitor key action temporarily cuts off the squelch func- cally starts the desired scan when no signal is received, and tion.
  • Page 36 SET MODE D LCD contrast selection “ ” D Channel name scroll type “ ” The contrast of the LCD can be set to Hi (default) or Lo. Set the channel name/comment scroll type to 1 or 2. • 1: The first 7 characters are displayed for approximately 1 second then scrolls.
  • Page 37 SET MODE D RX Noise Cancel function “ ” D RX bass boost function “ ” Set the Noise Cancel function for reception. The function may not be Set the bass boost function for reception. The function may not available, depending on the transceiver version. be available, depending on the transceiver version.
  • Page 38 SET MODE D Automatic 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.

  • Page 39: Battery Charging

    If any of or catch fire. these conditions occur, contact your Icom dealer or distributor. R DANGER! NEVER use or leave battery pack in areas with R WARNING! NEVER use deteriorated battery packs. They temperatures above +60˚C (+140˚F).
  • Page 40 +10˚C to +40˚C (+50˚F to +104˚F). • The battery has been repeatedly charged. Icom recommends charging the battery at +20˚C (+68˚F). The battery may heat up or rupture if charged out of the spec- ified temperature range. Additionally, battery performance or battery life may be reduced.

  • Page 41: Supplied Battery Charger

    BATTERY CHARGING ■ Supplied battery charger D Charging D BC-210 installation 1 Connect the AC adapter as shown below. • To a desktop • To a wall 2 Insert the battery pack with or without the transceiver into Supplied screws Supplied screws the charger.

  • Page 42: Optional Battery Chargers

    BATTERY CHARGING ■ Optional battery chargers D Rapid charging with the BC-197+BC-157S or D AD-129 installation OPC-656 1 Connect the 8-pin connector of the each charger slot to (Except for the EUR/FRG/NLD/UK versions) the AD-129 desktop charger adapter’s plug. The optional BC-197 with the BC-157S will simultaneously 2 Install the adapter into the each charger slot in the direc- charge up to 6 Li-ion battery packs.

  • Page 43: Optional Swivel Belt Clip

    OPTIONAL SWIVEL BELT CLIP ■ Attaching ■ Detaching 1 Screw the base clip to the back of the transceiver using  Turn the transceiver upside down in the direction of the the two screws , as shown to the right. arrow and pull out from the belt clip.

  • Page 44: Optional Speaker Microphone

    OPTIONAL SPEAKER MICROPHONE ■ HM-167 descriptions ■ Attaching The HM-202 is also an optional speaker microphone. Insert the speaker microphone connector onto the [SP MIC] See page 43 for details. connector and carefully screw it tight, as shown in the dia- gram below.

  • Page 45: Troubleshooting

    TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION REF. The transceiver does not • The battery is depleted or the safety/ • Recharge the battery pack. pp. 33, protection circuit in the battery is activated. turn ON. • Bad connection to the battery pack. •...

  • Page 46: Specifications

    SPECIFICATIONS • IC-M73 Measurements made without an antenna. D General D Receiver • Frequency coverage: TX 156.025–157.425 MHz • Sensitivity (typical) 0.22 µV (12 dB SINAD) RX 156.050–163.275 MHz • Squelch sensitivity (at threshold, typical): • Mode: FM (16K0G3E) 0.35 µV •...
  • Page 47 SPECIFICATIONS D Transmitter • Output power: 6 W/3 W/1 W/0.5 W* • Power supply requirement: 7.4 V DC nominal (negative ground) * For only the FRG version. • Frequency stability: ±10 ppm (–10°C to +55°C) 50 Ω nominal • Antenna impedance: •...

  • Page 48: Vhf Marine Channel List

    VHF MARINE CHANNEL LIST D For IC-M73EURO (Except for AUS) • International channels Frequency (MHz) Frequency (MHz) Frequency (MHz) Frequency (MHz) Frequency (MHz) Transmit Receive Transmit Receive Transmit Receive Transmit Receive Transmit Receive 156.050 160.650 156.750 156.750 1028 157.400 157.400 156.625 156.625 157.125 161.725 156.100 160.700...
  • Page 49 VHF MARINE CHANNEL LIST D For IC-M73EURO (Only for UK) • USA channels Frequency (MHz) Frequency (MHz) Frequency (MHz) Frequency (MHz) Transmit Receive Transmit Receive Transmit Receive Transmit Receive 1001 156.050 156.050 1018 156.900 156.900 1065 156.275 156.275 1082 157.125 157.125 1005 156.250 156.250 1019...
  • Page 50 VHF MARINE CHANNEL LIST D For IC-M73 and IC-M73EURO (AUS) Channel number Frequency (MHz) Channel number Frequency (MHz) Channel number Frequency (MHz) Channel number Frequency (MHz) CAN Transmit Receive CAN Transmit Receive CAN Transmit Receive CAN Transmit Receive 156.050 160.650 161.600...

  • Page 51: Options

    OPTIONS D BATTERY CASE AND PACK • CP-25H cigarette lighter cable The same as supplied with some of the transceiver versions. • BP-245H battery pack Li-ion Specification: 12 V DC/1 A The same as supplied with the transceiver. Voltage : 7.2 V NOTE: The CP-25H is Capacity : 2000 mAh (minimum)/2150 mAh (typical) equipped with a 2 A fuse.

  • Page 52: Informations

    à ses frais. CAUTION: Changes or modifications to this device, not expressly approved by Icom Inc., could void your authority to MISE EN GARDE : Tout changement ou modification, operate this device under FCC regulations.

  • Page 53: About Ce And Doc

    ■ ABOUT UKCA DOC Hereby, Icom Inc. declares that the versions To obtain the UKCA Declaration of Conformity, please of IC-M73 EURO which have the “CE” symbol contact Icom UK Limited by email at info@icomuk.co.uk or on the product, comply with the essential alternatively call + 44(0) 1227 741741.

  • Page 54: Index

    INDEX – A – – D – ABOUT CE AND DOC ..............45 DC CABLES ...................43 ABOUT UKCA DOC ...............45 Description..................16 About the function mode ..............17 Detaching ..................35 AD-129 installation .................34 DISPOSAL ..................45 Adjusting the squelch level .............13 Dual/Tri-watch function ..............27 AquaQuake water draining function..........13 DUALWATCH/TRI-WATCH .............16 ATIS code confirmation..............23...
  • Page 55 INDEX – M – RX bass boost function ..............29 Manual recording function ..............18 RX Noise Cancel function ...............29 Monitor function ................12 – S – Monitor key action................27 SAFETY TRAINING INFORMATION ..........iv – N – SCAN OPERATION ................14 NORMAL SCAN ................14 Scan resume timer .................26 Scan types ..................14 –...
  • Page 56 How the World Communicates Ihr Partner für Funktechnik www.fellecs-tech.com inbox@fellecs-tech.com A7070D-1EX-13 Printed in Japan 1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003, Japan 2013–2023 Icom Inc. Aug. 2023 ©...

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