Icom IC-M505 Instruction Manual
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Icom IC-M505 Instruction Manual

Vhf marine transceiver
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INSTRUCTION MANUAL
VHF MARINE TRANSCEIVER
iM505

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Summary of Contents for Icom IC-M505

  • Page 1 INSTRUCTION MANUAL VHF MARINE TRANSCEIVER iM505...

  • Page 2: Forword

    IC-M505. We want to take a couple of moments of your time to thank you for making the IC-M505 your radio of choice, and hope you agree with Icom’s philosophy of “technology first.” Many EXPLICIT DEFENITIONS hours of research and development went into the design of your IC-M505.

  • Page 3: In Case Of Emergency

    IN CASE OF EMERGENCY INSTALLATION NOTE If your vessel requires assistance, contact other vessels and The installation of this equipment should be made in such a manner as to respect the EC recommended electromagnetic the Coast Guard by sending a Distress call on Channel 16. field exposure limits (1999/519/EC).

  • Page 4: Doc

    This warning symbol indicates that this equipment CE versions of the IC-M505 which display the operates in non-harmonised frequency bands and/ “CE” symbol on the serial number label, com- or may be subject to licensing conditions in the ply with the essential requirements of the Eu- country of use.

  • Page 5: Table Of Contents

    TABLE OF CONTENTS FORWORD ....................i ■ Position and time indication ............22 IMPORTANT ..................... i ■ GPS information indication ............22 EXPLICIT DEFENITIONS ................ i ■ Distress call .................. 23 IN CASE OF EMERGENCY ..............ii ■ Transmitting DSC calls ..............26 INSTALLATION NOTE ................ii ■...

  • Page 6: Precautions

    Approved Icom optional equipment is designed for optimal from the vessel’s magnetic navigation compass. performance when used with an Icom transceiver. Icom is not responsible for the destruction or damage to an DO NOT use or place the transceiver in areas with tem- Icom transceiver in the event the Icom transceiver is used peratures below –20°C or above +60°C or, in areas subject...

  • Page 7: Operating Rules

    Inquire through your dealer or the appropriate government Icom, Icom Inc. and the Icom logo are registered trademarks of Icom Incor- porated (Japan) in Japan, the United States, the United Kingdom, Germany, agency for a Ship-Radiotelephone license application. This France, Spain, Russia and/or other countries.

  • Page 8: Panel Description

    PANEL DESCRIPTION ■ Front panel r HAIL/RX SPEAKER KEY [HAIL•RX Speaker Function display (p. 4) ➥ Push to turn the hailer mode ON or OFF. (p. 52) ➥ Push and hold for 1 sec. to turn the RX Speaker mode ON or OFF.
  • Page 9 PANEL DESCRIPTION u CHANNEL SELECTOR [CHANNEL•ENTER] o SQUELCH CONTROL [SQL] ➥ Rotate to select the operating channels, Set mode set- Rotate to set the squelch threshold level. (p. 8) tings, etc. (pp. 6–8, 55) !0 SCAN/TAG KEY [SCAN•TAG] (p. 13) ➥...

  • Page 10: Function Display

    PANEL DESCRIPTION ■ Function display q w e r t y CALL CHANNEL INDICATOR (pp. 6, 9) Appears when the call channel is selected. u LOW BATTERY INDICATOR BUSY 25W CALL Blinks when the battery voltage drops to approx. 10 V DC or below.

  • Page 11: Microphone

    PANEL DESCRIPTION ■ Microphone !1 POSITION INDICATOR ➥ Shows the current position data when a GPS re- Microphone ceiver is connected, or the time data is manually pro- Speaker grammed. • “??” may blink every 2 sec. instead of position data when the GPS position data is invalid.

  • Page 12: Basic Operation

    BASIC OPERATION ■ Channel selection D Call channel D Channel 16 Each regular channel group has a separate leisure-use call Channel 16 is the distress and safety channel. It is used for channel. The call channel is monitored during Tri-watch. The establishing initial contact with a station and for emergency call channels can be programmed (p.
  • Page 13 BASIC OPERATION D International channels There are pre-programmed 57 international channels for the IC-M505. Push 34°34.506N q Push [DIAL•DUAL/GRP] to select a regular channel. 123°23.236W UTC 12:00 PORT OPR w While pushing and holding [H/L], push [DIAL•DUAL/ GRP] to change the channel group, if necessary.

  • Page 14: Receiving And Transmitting

    BASIC OPERATION ■ Receiving and transmitting CAUTION: IMPORTANT: To maximize the readability of your trans- Transmitting without an antenna may dam- mitted signal, pause a few sec. after pushing [PTT], hold age the transceiver. the microphone 5 to 10 cm from your mouth and speak q Push [POWER] to turn power ON.

  • Page 15: Call Channel Programming

    BASIC OPERATION ■ Call channel programming r Rotate [CHANNEL] to se- You can program the call channel with your most often-used CALL lect the desired channel. channels in each channel group for quick recall. q While pushing and holding 34°34.506N [H/L], push [DIAL•DUAL•...

  • Page 16: Channel Comments

    BASIC OPERATION ■ Channel comments ■ Microphone Lock function The channels can be labelled with a unique alphanumeric ID The Microphone Lock function electrically locks [Y]/[Z] and [HI/LO] keys on the supplied microphone. This prevents ac- of up to 10 characters. cidental channel changes and function access.

  • Page 17: Optional Voice Scrambler Operation

    BASIC OPERATION ■ Optional voice scrambler operation D Activating the scrambler D Programming scrambler codes The optional voice scrambler provides private communica- There are 32 codes (1 to 32) or 128 codes (0 to 127)* avail- tions. In order to receive or send scrambled transmissions you able for programming when an optional scrambler unit is must first activate the scrambler function.

  • Page 18: Scan Operation

    SCAN OPERATION ■ Scan types Set the TAG channels (scanned channel) before scanning. Scanning is an efficient way to locate signals quickly over a Clear the TAG channels which inconveniently stop scanning, wide frequency range. The transceiver has Priority scan and such as those for digital communication use.

  • Page 19: Setting Tag Channels

    SCAN OPERATION ■ Setting TAG channels ■ Starting a scan For more efficient scanning, add the desired channels as Set scan type (Priority or Normal scan) and scan resume TAG channels or clear the TAG for unwanted channels. timer in advance, using Set mode. (p. 55) Channels that are not tagged will be skipped during scan- q While pushing and holding [H/L], push [DIAL•DUAL/ ning.

  • Page 20: Dualwatch/Tri-Watch

    DUALWATCH/TRI-WATCH ■ Description ■ Operation Dualwatch monitors Channel 16 while you are receiving on q Select Dualwatch or Tri-watch in Set mode. (p. 56) w Rotate [CHANNEL] to select the desired operating channel. another channel; Tri-watch monitors Channel 16 and the call channel while receiving another channel.

  • Page 21: Dsc Operation

    DSC OPERATION ■ MMSI code programming u Rotate [CHANNEL] to set the specific 9-digit MMSI code. The 9-digit MMSI (Maritime Mobile Service Identity: DSC • Push [16•C] or [DIAL•DUAL/GRP] to move the cursor forward self ID) code can be programmed at power ON. or backward, respectively.

  • Page 22: Mmsi Code Check

    DSC OPERATION ■ MMSI code check r Check the 9-digit MMSI (DSC self ID) code. The 9-digit MMSI (DSC self ID) code can be checked. q Push [MENU] to enter the DSC menu. --DSC Menu-- MMSI Check w R o t a t e [ C H A N N E L ] t o s e l e c t “ S e t u p ,” p u s h 123456789 [CHANNEL•ENTER].

  • Page 23: Dsc Address Id

    DSC OPERATION ■ DSC address ID r Rotate [CHANNEL] to set the individual ID and ID name. A total of 100 DSC address IDs can be programmed and • Push [16•C] or [DIAL•DUAL/GRP] to move the cursor forward named with up to 10 characters. or backward, respectively.

  • Page 24: D Deleting Individual Id

    DSC OPERATION D Deleting Individual ID q Push [MENU] to enter the DSC menu. r Rotate [CHANNEL] to select the desired ID name for de- w R o t a t e [ C H A N N E L ] t o s e l e c t “ S e t u p ,” p u s h leting.

  • Page 25: D Programming Group Id

    DSC OPERATION D Programming Group ID r Rotate [CHANNEL] to set the group ID and ID name. q Push [MENU] to enter the DSC menu. • The group ID is a unique number that you create for your group. w R o t a t e [ C H A N N E L ] t o s e l e c t “ S e t u p ,” p u s h The ID name is an associated text name for that group.

  • Page 26: D Deleting Group Id

    R o t a t e [ C H A N N E L ] t o s e l e c t “ S e t u p ,” p u s h [CHANNEL•ENTER]. --DSC Menu-- Select ID --DSC Menu-- Icom Select Item Group A Position Report ˘Group B...

  • Page 27: Position And Time Programming

    DSC OPERATION ■ Position and time programming A distress call should include the ship’s position and time --DSC Menu-- data. If no GPS is connected, your position and UTC (Uni- Input Position versal Time Coordinated) time should be input manually. Latitude __°__.___N Null...

  • Page 28: Position And Time Indication

    [CHANNEL•ENTER] for 1 sec. displays the manually entered position and time. --GPS Info-- A GPS receiver appropriate for the IC-M505 is not supplied Push for 1 sec. by Icom. A GPS receiver with NMEA0183 ver. 2.0 or 3.01...

  • Page 29: Distress Call

    DSC OPERATION ■ Distress call e After transmitting the distress call, the transceiver waits A distress call should be transmitted, if in the opinion of the for an acknowledgment call on Channel 70. Master, the ship or a person is in distress and requires im- •...

  • Page 30: D Regular Call

    DSC OPERATION D Regular call ➥ A distress alert contains (default); • Nature of distress : Undesignated distress The nature of the distress call should be included in the dis- • Position data : GPS or manual input position data held tress call.
  • Page 31 DSC OPERATION Regardless of a GPS receiver (NMEA0183 ver. 2.0 or --DSC Menu-- 3.01) connection, the current position/time information Input UTC Time __:__ Null appears in steps r and t. If the information is not nec- essary to be changed, push [CHANNEL•ENTER] or [16•C] several times to skip the data input steps.

  • Page 32: Transmitting Dsc Calls

    DSC OPERATION ■ Transmitting DSC calls i After receiving the acknowledgment, reply using the mi- crophone. To ensure correct operation of the DSC function, please make sure you set the squelch correctly. (p. 8) Received D Transmitting an individual call DistressACK The individual call function allows you to transmit a DSC sig- <Osaka Bay...
  • Page 33 DSC OPERATION e Rotate [CHANNEL] to select the desired pre-pro- r Rotate [CHANNEL] to select a desired intership grammed individual address or “Manual Input,” push channel, push [CHANNEL•ENTER]. [CHANNEL•ENTER]. • Intership channels are already preset into the transceiver in • The ID code for the individual call can be set in advance. (p. 17) recommended order.
  • Page 34 DSC OPERATION D Transmitting an individual acknowledgement y Standby on Channel 70 until an acknowledgement is re- ceived. When receiving an individual call, you can transmit an ac- knowledgement (‘Able to comply’ or ‘Unable to comply’) by --DSC Menu-- using the on screen prompts (see page 42 for details). You Individual Call TX Complete can also send an acknowledgement through the menu sys-...

  • Page 35: D Transmitting A Group Call

    Select Address ing station) is selected automatically when “Able to Manual Input Comply” is selected, or returns to the previous condition ˘Icom Group A (before entering the DSC menu) when “Unable to Comply” is selected in step r. <CLR˘Exit / ENT˘OK>...
  • Page 36 DSC OPERATION r Rotate [CHANNEL] to select a desired intership channel, y After the group call has been transmitted, the following push [CHANNEL•ENTER]. indication is displayed. • Intership channels are already preset into the transceiver in --DSC Menu-- recommended order. Group Call TX Complete --DSC Menu--...

  • Page 37: D Transmitting An All Ships Call

    DSC OPERATION D Transmitting an all ships call Large ships use Channel 70 as their ‘listening channel.’ --DSC Menu-- When you want to announce a message to all ships within Select Category range, use the all ships call function. ˘Routine Safety Urgency q Push [MENU] to enter the DSC menu.

  • Page 38: D Transmitting A Position Request Call

    DSC OPERATION D Transmitting a position request call t After the all ships call has been transmitted, the following indication is displayed. Transmit a position request call when you want to know a specific ship’s current position, etc. --DSC Menu-- All Ships Call q Push [MENU] to enter the DSC menu.
  • Page 39 DSC OPERATION t After the position request call has been transmitted, the --DSC Menu-- following indication is displayed. Select Address Manual Input John --DSC Menu-- ˘Paul Position Request George TX Complete Michael <CLR˘Exit / ENT˘OK> Now Waiting for ACK --DSC Menu-- POS Request Ready <CLR˘Exit>...
  • Page 40 DSC OPERATION D Transmitting a position report call Regardless of a GPS receiver (NMEA0183 ver. 2.0 or Transmit a position report call when you want to announce your own position to a specific ship and to get an answer, etc. 3.01) connection, the current position/time information appears in steps r and t.
  • Page 41 DSC OPERATION u After the position report call has been transmitted, the fol- --DSC Menu-- lowing indication is displayed. Input UTC Time __:__ Null --DSC Menu-- Position Report TX Complete <CLR 1sec ˘ Null Data> <CLR ˘ Exit / ENT ˘ OK> Now Waiting for ACK --DSC Menu-- Position Report Ready...
  • Page 42 DSC OPERATION D Transmitting a polling request call Transmit a polling request call when you want to know if a --DSC Menu-- specific vessel is within communication range. Select Address Manual Input John q Push [MENU] to enter the DSC menu. ˘Paul w Rotate [CHANNEL] to select “Polling Request,”...
  • Page 43 DSC OPERATION D Transmitting a position request reply call t After the polling request call has been transmitted, the fol- Transmit a position request reply call when a position re- lowing indication is displayed. quest call is received. --DSC Menu-- When the automatic acknowledgement function is ON (p.
  • Page 44 DSC OPERATION Regardless of a GPS receiver (NMEA0183 ver. 2.0 or --DSC Menu-- 3.01) connection, the current position/time information Input UTC Time appears in steps r and t. If the information is not nec- __:__ Null essary to be changed, push [CHANNEL•ENTER] or [16•C] several times to skip the data input steps.
  • Page 45 DSC OPERATION D Transmitting a position report reply call Transmit a position report reply call when a position report --DSC Menu-- call is received. Select Address John ˘Paul When the automatic acknowledgement function is ON (p. 48), George the transceiver automatically transmits a reply call after re- Michael ceiving a position report.
  • Page 46 DSC OPERATION D Transmitting a polling request reply call Transmit a polling reply call when a polling request call is re- --DSC Menu-- ceived. Select Address John ˘Paul When the automatic acknowledgement function is ON (p. 48), George the transceiver automatically transmits a reply call after re- Michael ceiving a polling request call.

  • Page 47: Receiving Dsc Calls

    DSC OPERATION ■ Receiving DSC calls D Receiving a distress call While monitoring Channel 70 and a distress call is received: ➥ The emergency alarm sounds for 2 minutes. • Push [CLR] to stop the alarm. Received DistressACK ➥ “Received Distress” appears in the display, then <Osaka Bay Channel 16 is automatically selected.

  • Page 48: D Receiving An Individual Call

    (depending group call. on your replying condition see page 28 for individual ac- knowledgement call procedure for details.); push [CLR] to ignore the individual call. Received Group <Icom <CLR ˘ Received Beep Off> SAFETY Individual <Paul <CLR ˘...

  • Page 49: D Receiving A Position Request Call

    DSC OPERATION D Receiving a position request call While monitoring Channel 70 and a position request call is received: Received ➥ “Received POS Request” appears in the display. All Ships ➥ Push [CLR] to stop the beep, then push [CHANNEL• <Paul <CLR ˘...

  • Page 50: D Receiving A Polling Request Call

    DSC OPERATION D Receiving a polling request call D Receiving a position report reply call While monitoring Channel 70 and a polling request call is While monitoring Channel 70 and a position report reply call received: is received: ➥ “Received POLL REQ” appears in the display. ➥...

  • Page 51: Received Messages

    DSC OPERATION ■ Received messages w Rotate [CHANNEL] to scroll to the desired message, The transceiver automatically stores up to 20 distress mes- push [CHANNEL•ENTER]. sages and 20 other messages. The messages can be used • Messages which are blinking have not been read. as an assistance to the logbook.

  • Page 52: D Other Messages

    DSC OPERATION D Other messages e Rotate [CHANNEL] to scroll the message. q R o t a t e [ C H A N N E L ] t o s e l e c t “ O t h e r ,” p u s h •...

  • Page 53: Dsc Set Mode

    DSC OPERATION ■ DSC Set mode D MMSI code check r Set the offset time from the UTC (Universal Time Coordi- (See page 16.) nated) time by rotating [CHANNEL]. D Add Individual ID/Group ID (See pages 17, 19.) • Push [16•C] or [DIAL•DUAL/GRP] to move the cursor forward D Delete Individual ID/Group ID (See pages 18, 20.) or backward, respectively.
  • Page 54 DSC OPERATION D Automatic acknowledgement r Rotate [CHANNEL] to turn the automatic acknowledge- This item sets the automatic acknowledgement function to ON or OFF. ment function ON or OFF. When a position request, position report or polling request call is received, the transceiver automatically transmits a po- --DSC Menu-- Auto ACK sition request reply, position report reply or polling reply call,...

  • Page 55: Dsc Operation

    DSC OPERATION D NMEA Output r Rotate [CHANNEL] to select the NMEA Output function Select an NMEA Output function from OFF, All Station or List Station. from OFF, All Station or List Station. • List Station: Outputs the position data from the specified ves- When receiving position acknowledgment, the transceiver sels listed on the DSC individual ID screen.

  • Page 56: Other Functions

    • “TALK” or “LISTEN”* appears on the caller or listener func- for Intercom operation. tion display. • To adjust the IC-M505’s speaker output level, rotate [VOL]. Connect an optional command microphone as described on • To adjust the HM-162E’s speaker output level, rotate [SELEC- p.

  • Page 57: Rx Speaker Function

    ■ RX Speaker function • While in the Intercom mode, the transceiver functions The IC-M505 has an RX Speaker function. When this func- (transmit and receive) are interrupted. If the transceiver tion is turned ON, the received audio can be heard on the is in transmit condition, the Intercom function is not deck or tower via a hailer speaker.

  • Page 58: Hailer Operation

    ■ Hailer operation • While in the hailer mode, the transceiver functions (trans- The IC-M505 has a hailer function for voice amplification mit and receive) are interrupted. If the transceiver is in over a loudspeaker, making it unnecessary to leave the transmit condition, the hailer function is not available.

  • Page 59: Automatic Foghorn Function

    OTHER FUNCTIONS ■ Automatic foghorn function The foghorn outputs from the hailer speaker. To use this The automatic foghorn function sounds a horn repeatedly function, the hailer speaker must be connected to the trans- until the function is turned OFF. Four patterns are available ceiver.
  • Page 60 OTHER FUNCTIONS q While pushing and holding [H/L], push [HAIL•RX ] to r To return to normal operation, repeat step q. enter auto foghorn mode. When a DSC call is received, the automatic foghorn func- tion is interrupted with an automatic return to the trans- ceiver mode.

  • Page 61: Set Mode

    SET MODE ■ Set mode programming ■ Set mode items D Scan type Set mode is used to change the conditions of the transceiv- er’s functions: Scan type, Scan resume timer, Dual/Tri-watch, The transceiver has 2 scan types: Normal scan and Priority Beep tone, LCD contrast, Automatic foghorn frequency, scan.

  • Page 62: Lcd Contrast

    SET MODE D Dual/Tri-watch D LCD contrast This item can be selected as Dualwatch or Tri-watch. (p. 14) The LCD contrast can be adjustable to 8 levels. The level 1 is the lowest contrast, and the level 8 is the highest contrast. --Set Mode-- Dual/Tri --Set Mode--...
  • Page 63 SET MODE D Radio power D Scrambler type (Appears when a scrambler unit is installed) (Appears when the HM-162E is connected) When an optional scrambler unit* is installed, the scrambler This item sets the Radio Power function ON or OFF. type can be selected in set mode depending on how it is set ON : The transceiver’s power is controlled by the optional by the dealer.

  • Page 64: Connections And Maintenance

    Ferrite core* CONNECTIONS AND MAINTENANCE ■ Connections Outer conductor : Speaker (Ð) Inner conductor : Speaker (+) e EXTERNAL SPEAKER LEAD (Yellow) Connects to an external speaker. r HAILER/FOGHORN (–) LEAD (Black) Connects to a hailer speaker (25 W nominal at 13.8 V/4 ø). t HAILER/FOGHORN (+) LEAD (Blue) Do not Connects to a hailer speaker (25 W nominal at 13.8 V/4 ø).

  • Page 65: Antenna

    Ferrite core and ties CONNECTIONS AND MAINTENANCE ■ Supplied accessories CAUTION: After connecting the DC power cable, NMEA Mounting bracket For mounting bracket IN/OUT leads, external speaker lead and hailer/foghorn Knob bolts Flat washers (M5) lead, cover the connector and leads with a rubber vulcan- izing tape as shown below, to prevent water seeping into the transceiver.

  • Page 66: Mounting The Transceiver

    CONNECTIONS AND MAINTENANCE ■ Mounting the transceiver D Using the supplied mounting bracket • OVERHEAD MOUNTING The universal mounting bracket supplied with your trans- ceiver allows overhead or dashboard mounting. • Mount the transceiver securely with the 4 supplied screws (5 ×...

  • Page 67: Installation

    IC-M505. r Attach the clamps on either side of the IC-M505. u Connect the antenna and power cable, then return the • Make sure that the clamps align parallel to the IC-M505’s body. instrument control panel to its original place.

  • Page 68: Ut-112/Ut-98 Installation

    CONNECTIONS AND MAINTENANCE ■ UT-112/UT-98* installation CAUTION: DISCONNECT the DC power cable from the w Disconnect the flat cable and NMEA (4 pin) from J5 of the LOGIC unit. transceiver before performing any work on the trans- ceiver. Otherwise, there is danger of electric shock and/or LOGIC unit equipment damage.

  • Page 69: Hm-162E Installation

    CONNECTIONS AND MAINTENANCE ■ HM-162E installation r Return the cables and screws to the original position. • Be sure not upside down the flat cable. CAUTION: • When re-assembling the case and tightening the screws, you must keep the specified torque (0.5±0.07 N.m).
  • Page 70 CONNECTIONS AND MAINTENANCE q Insert the supplied cable into the external microphone y The completed installation should look like this. jack and tighten the cable nut as shown below. w To use the supplied cable as a wall socket, perform the following steps.
  • Page 71 CONNECTIONS AND MAINTENANCE Mounting base Gasket...

  • Page 72: Troubleshooting

    TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION REF. The transceiver does • Bad connection to the power supply. • Check the connection to the transceiver. p. 58 not turn ON. No sound comes from • Squelch level is too high. • Set [SQL] to the threshold point. p.

  • Page 73: Specifications And Options

    SPECIFICATIONS AND OPTIONS ■ Specifications D Receiver D General • Receive system : Double conversion • Frequency coverage : Tx 156.000–161.450 MHz superheterodyne Rx 156.000–163.425 MHz • Sensitivity (20 dB SINAD) : –5 dBµ emf (typical) • Mode : FM (16K0G3E), DSC (16K0G2B) •...

  • Page 74: Options

    SPECIFICATIONS AND OPTIONS ■ Options D Dimensions • MB-75 flush mount kit For mounting the transceiver to a panel. • HM-162E ™ commandmic iii External microphone-type controller. Provides optional inter- com operation. 6 m microphone cable and mount-ing base included. Black and white colors are available. •...

  • Page 75: Channel List

    CHANNEL LIST • 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 156.050 160.650 156.550 156.550 157.050 161.650 156.075 160.675 156.575 156.575 157.075 161.675 156.100 160.700...

  • Page 76: Channel List

    CHANNEL LIST • 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 156.050 156.050 156.600 156.600 157.100 157.100 156.225 156.225 156.775 156.775...

  • Page 77: Template

    TEMPLATE R12 (Max.) MB-75 29.5 to 31.5 (d) HM-162E Unit: mm...
  • Page 79 MEMO...
  • Page 80 < Intended Country of Use > A-6484H-1EU-t Printed in Japan 2006–2010 Icom Inc. © 1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003, Japan Printed on recycled paper with soy ink.
  • Page 81 When the lcom MA-500TR is con- To ensure correct operation of the DSC function, make CLASS B AIS TRANSPONDER nected to your IC-M504/IC-M505/IC-M603/IC-M604 sure you correctly set the transceiver’s squelch. VHF MARINE , an individual DSC call can be transmitted to a TRANSCEIVER These instructions are based on using the IC-M604.

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