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

Vhf marine
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INSTRUCTION MANUAL
INSTRUCTION MANUAL
VHF MARINE TRANSCEIVER
iM73
iM73EURO
iM73EURO
This device complies with Part 15 of the FCC Rules. Opera-
This device complies with Part 15 of the FCC Rules. Opera-
tion is subject to the condition that this device does not cause
tion is subject to the condition that this device does not cause
harmful interference.
IC-M73
IC-M73EURO

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Summary of Contents for Icom IC-M73

  • Page 1 This device complies with Part 15 of the FCC Rules. Opera- This device complies with Part 15 of the FCC Rules. Opera- tion is subject to the condition that this device does not cause tion is subject to the condition that this device does not cause harmful interference. IC-M73 IC-M73EURO...

  • Page 2: Important

    FOREWORD FEATURES ☞ Submersible construction Thank you for purchasing this Icom product. The IC-M73/IC- M73EURO is designed and built vhf marine transceiver Built tough to withstand the punishing marine environ- with Icom’s state of the art technology and craftsmanship. ment, the IC-M73/IC-M73EURO’s submersible construc-...

  • Page 3: Precautions

    Icom radios or Icom chargers. Only Icom battery packs and below –10°C (+14°F) or above +55°C (+131°F) for the AUS are tested and approved for use with Icom radios or charged with versions. Icom chargers. Using third-party or counterfeit battery packs or...

  • Page 4: Radio Operator Warning

    RADIO OPERATOR WARNING FAILURE TO OBSERVE THESE LIMITS MAY ALLOW Icom requires the radio operator to meet the THOSE WITHIN THE MPE RADIUS TO EXPERIENCE RF FCC and IC Requirements for Radio Frequency RADIATION ABSORPTION WHICH EXCEEDS THE MAXI- Exposure. An omnidirectional antenna with gain MUM PERMISSIBLE EXPOSURE (MPE) LIMIT.

  • Page 5: Avertissement Pour Les Opérateurs Radio

    AVERTISSEMENT POUR LES OPÉRATEURS RADIO Icom exige que l'opérateur radio se conforme LE NON-RESPECT DE CES LIMITES PEUT CAUSER, POUR LES aux exigences de la FCC et d’IC en matière PERSONNES SITUÉES DANS LE RAYON D'EXPOSITION MAXI- d'exposition aux radiofréquences. Une antenne MALE ADMISSIBLE, UNE ABSORPTION DE RAYONNEMENT DE omnidirectionnelle dont le gain ne dépasse pas...

  • Page 6: Fcc Information

    France Slovakia Germany Slovenia CAUTION: Changes or modifications to this device, not ex- Greece Spain pressly approved by Icom Inc., could void your authority to Hungary Sweden operate this device under FCC regulations. Iceland Switzerland Ireland Turkey...

  • Page 7: In Case Of Emergency

    IN CASE OF EMERGENCY RECOMMENDATION CLEAN THE TRANSCEIVER THOROUGHLY WITH FRESH If your vessel requires assistance, contact other vessels and the Coast Guard by sending a distress call on Channel 16. WATER after exposure to saltwater, and dry it before opera- tion.

  • Page 8: Table Of Contents

    TABLE OF CONTENTS 6 DUALWATCH/TRI-WATCH ............16 FOREWORD ..................i IMPORTANT ..................i ■ Description ................16 EXPLICIT DEFINITIONS ..............i ■ Operation ................16 7 FUNCTION MODE OPERATION ........17–24 FEATURES ..................i PRECAUTIONS ................ii ■ About the function mode ............17 RADIO OPERATOR WARNING ............iii ■...

  • 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

    SUPPLIED ACCESSORIES AND ATTACHMENTS D Battery pack D Belt clip Attach the belt clip to the transceiver. Attach the battery pack into the transceiver. Supplied screws Battery pack Lock the battery pack with the latch. Latch CAUTION: NEVER remove or attach the battery pack when the trans- ceiver is wet or soiled.

  • Page 12: Panel Description

    PANEL DESCRIPTION ■ Front, top and side panels 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 Function held down.
  • Page 13 (p. 16) u CHANNEL/WEATHER CHANNEL KEY !0 FAVORITE (TAG) KEY [FAV•★] [CH/WX•U/I/C] (IC-M73), [CH] (IC-73EURO) • Push this key to sequentially select the Favorite (TAG) • Selects and toggles the regular channels and weather channels, while ignoring untagged channels, in a channel channel* when pushed.

  • Page 14: Function Display

    PANEL DESCRIPTION ■ Function display r DUALWATCH/TRI-WATCH ICONS (p. 16) “DUAL” blinks during dualwatch; “TRI” blinks during tri- watch. t DUPLEX ICON (p. 9) Appears when a duplex channel is selected. y MONITOR ICON (p. 12) Appears when the monitor function is activated. u AUTOMATIC RECORDING ICON (p.

  • Page 15: Panel Description

    PANEL DESCRIPTION !1 ATIS ICON (pp. 9, 23) !7 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 For Dutch version D U.S.A., International, Canadian and ATIS channels The transceiver has U.S.A.* , International, Canadian* Hold down ATIS* channels. You must select the proper channels for the operating area. for 1 second Only USA, UK, EXP, CHN and AUS versions. International channels ATIS channels Only USA, EXP and CHN versions.

  • Page 18: Weather Channels

    BASIC OPERATION D Weather channels The transceiver has 10 pre-programmed weather channels*. These are used for monitoring broadcasts from NOAA (Na- tional Oceanographic and Atmospheric Administration.) The transceiver can automatically detect a weather alert tone on the selected weather channel or while scanning. See the “SET mode items”...

  • Page 19: Receiving And Transmitting

    BASIC OPERATION ■ Receiving and transmitting IMPORTANT: To maximize the readability of your transmit- CAUTION: Transmitting without an antenna may damage ted signal, pause a second after pushing [PTT]. Hold the the transceiver. microphone 5 to 10 cm from your mouth, and (2 to 4 inches) 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 [Y]/[Z] The AquaQuake water draining function clears water away keys, as described below. In order to properly receive signals, from the speaker grill. Without this function, water may muffle as well as for the scan to function effectively operate, the the sound coming from the speaker.

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

    SCAN OPERATION (Except for the Dutch version) ■ Scan types Set the Favorite channels before scanning. Scanning is an efficient way to quickly locate signals over a (scanned channel) Clear those Favorite channels which are not needed or incon- wide frequency range. The transceiver has a priority scan set- veniently stop scanning, such as digital communications.

  • Page 23: Setting Favorite Channels

    SCAN OPERATION (Except for the Dutch version) ■ Setting Favorite channels ■ Starting a scan For more efficient scanning, add desired channels as Favorite First, set the weather alert function, priority scan function, scan resume timer and auto scan function, using the SET channels, or clear the Favorite for unwanted channels.

  • Page 24: Dualwatch/Tri-Watch

    DUALWATCH/TRI-WATCH ■ Description ■ Operation Dualwatch monitors Channel 16 while you are receiving q Select a desired operating channel. w Hold down [SCAN•DUAL] for 1 second to start Dualwatch on another channel; Tri-watch* monitors Channel 16 and the call channel while receiving 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 [F] to enter the function mode. ‡ ‡ Push 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- q Push [F] to enter the function mode, ing the manual recording function. and then push [Y]/[Z] to select the This function can record the received signal for maximum 30 manual recording function.

  • 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- Push [F] to enter the function mode, and then push [Y]/[Z] to cally records the received signal into the memory. The maximum recording time is 60 seconds. select the automatic recording •...

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

    FUNCTION MODE OPERATION ■ Play back function (Depending on versions) [F] to enter the function mode. This transceiver has two voice recorders. Push One is the manual recording function which can record for 30 • “PLAY” appears. 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 nel in use, or station names. to select a channel group, if necessary. When shipped from the factory, the IC-M73/IC-M73EURO is [F] to enter the function mode, Push programmed with default names for each VHF marine chan- and then push [Y]/[Z] to select the nel.

  • Page 30: Opening Comment Entry Function

    The opening comment appears each • Pushing [SCAN•DUAL], moves to left. time the IC-M73/IC-M73EURO is powered ON. The comment Continue until the desired charac- may be up to 16 characters long. ters have been entered, then push You can use same characters as “Channel naming function.”...

  • Page 31: Atis Code Programming

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

  • 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 transceiver † † functions : Beep tone function, Weather alert function , Prior- Turn OFF power. w While holding down [ ] , turn ON power to enter the SET ity scan, Scan resume timer, Auto scan start function, Dual/ Tri-watch function, Monitor key action, Display backlight, LCD...

  • Page 34: Set Mode Items

    “ ” weather announcements. When the weather alert function is turned ON, any detected weather alert will make the IC-M73/ Except for the HOL version, the scan resume timer can be set IC-M73EURO activate a blinking “ ” alert icon on the as a pause (OFF) or timer scan (ON).

  • Page 35: Auto Scan Function

    SET MODE D Auto scan function “ ” D Monitor key action “ ” Except for the HOL 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: Lcd Contrast Selection

    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: Rx Noise Cancel Function

    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

    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

    • R DANGER! NEVER incinerate a used battery pack since internal battery gas may cause a rupture or explosion. • R DANGER! Use and charge only specified Icom battery • R DANGER! NEVER solder the battery terminals, or NEV- pack with Icom transceiver. Only Icom battery pack is tested ER modify the battery pack.

  • Page 40: D Charging Caution

    +10˚C to +40˚C (+50˚F to +104˚F). tended period of time. If the battery must be left unused for a Icom recommends charging the battery at +20˚C (+68˚F). long time, it must be detached from the radio after discharg- The battery may heat up or rupture if charged out of the ing.

  • Page 41: Supplied Battery Charger

    BATTERY CHARGING ■ Supplied battery charger D Charging D BC-210 installation Connect the AC adapter as shown below. • To a desktop • To a wall Insert the battery pack with or without the transceiver into 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 Connect the 8-pin connector of the each charger slot to the AD-129 desktop charger adapter’s plug. The optional BC-197 with the BC-157S will simultaneously 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 Screw the base clip to the Turn the transceiver upside down in the direction of the ➥ back of the transceiver us- Supplied screws arrow and pull out from the belt clip. ing the two screws (sup- , as shown to the right.

  • Page 44: Optional Speaker-Microphone

    OPTIONAL SPEAKER-MICROPHONE ■ HM-167 descriptions ■ Attaching HM-202 is also an optional speaker microphone. see the Insert the speaker-mic connector onto the [SP MIC] connec- page 43 for details. tor and carefully screw it tight, as shown in the diagram below. Be careful not to cross-thread the connection.

  • Page 45: Troubleshooting

    TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION REF. The transceiver does not • The battery is depleted. • Recharge the battery pack. pp. 33, turn ON. • Bad connection to the battery pack. • Check the connection to the transceiver. p. 3 No sound from the speak- •...

  • Page 46: Specifications

    SPECIFICATIONS • IC-M73 D General • Intermodulation rejection ratio : 70 dB (typical) • Frequency coverage : Tx 156.025–157.425 MHz • Spurious response rejection ratio : 70 dB (typical) • Adjacent channel selectivity : 70 dB (typical) : Rx 156.050–163.275 MHz •...

  • Page 47: Specifications

    SPECIFICATIONS D Transmitter • Output power : 6 W/3 W/1 W/0.5 W* • Power supply requirement : 7.4 V DC nominal (negative ground) *German version only • Frequency stability : ±10 ppm (–10°C to +55°C) • Modulation system : Variable reactance frequency •...

  • Page 48: Vhf Marine Channel List

    VHF MARINE CHANNEL LIST D For IC-M73EURO • International channels Frequency (MHz) Frequency (MHz) Frequency (MHz) Frequency (MHz) Frequency (MHz) Frequency (MHz) Transmit Receive Transmit Receive Transmit Receive Transmit Receive Transmit Receive Transmit Receive 156.050 160.650 156.550 156.550 157.050 161.650 156.075 160.675 156.575...
  • Page 49 VHF MARINE CHANNEL LIST For IC-M73EURO • USA channels (for U.K. version only) Frequency (MHz) Frequency (MHz) Frequency (MHz) Frequency (MHz) Frequency (MHz) Frequency (MHz) Transmit Receive Transmit Receive Transmit Receive Transmit Receive Transmit Receive Transmit Receive 156.050 156.050 156.600 156.600 157.100 157.100...

  • Page 50: Vhf Marine Channel List

    VHF MARINE CHANNEL LIST D For IC-M73 and IC-M73EURO (Australia) 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 156.050 160.650 157.050 161.650...

  • Page 51: Options

    Icom transceiver. Icom is not responsible replace it with a new for the destruction or damage to an Icom transceiver in the event the rated fuse. DO NOT Icom transceiver is used with equipment that is not manufactured or...

  • Page 52: Index

    INDEX – A – Charging caution ................32 About the function mode ..............17 COUNTRY CODE LIST ..............v AD-129 installation .................34 – D – Adjusting the squelch level .............13 DC CABLES ...................43 AquaQuake water draining function..........13 Description..................16 ATIS code confirmation..............23 Detaching ..................35 ATIS code programming ..............23 Dual/Tri-watch function ..............27 Attaching ...................35, 36...

  • Page 53: Index

    INDEX – M – RX bass boost function ..............29 Manual recording function ..............18 RX Noise Cancel function ...............29 Monitor function ................12 – S – Monitor key action................27 SCAN OPERATION ................14 – N – Scan resume timer .................26 NORMAL SCAN ................14 Scan types ..................14 Scrolling speed ................28 –...
  • Page 54 MEMO...
  • Page 55 MEMO...
  • Page 56 < Intended Country of Use > A-7070D-1EX Printed in Japan 2013 Icom Inc. © 1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003, Japan Printed on recycled paper with soy ink.

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