Icom VHF MARINE TRANSCEIVER, IC-M502 Installation is finished when it is completed

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13 HM-127 REMOTE-CONTROL MICROPHONE

■Installation

The optional HM-127 can be connected to the transceiver di- rectly, as well as via the supplied connection cable for longer distance remote operation. The connector of the connection cable can be installed into a cabinet, wall, etc., as a built-in plug.

For longer distance remote operation, the optional extension cable, OPC-999 (6 m; 20 ft/Connecting between transceiver and the connection cable.), is available, and up to 2 OPC-999 can be added.

qInsert the supplied cable into the external microphone jack and tighten the cable nut as shown below.

wTo use the supplied cable as a wall socket, follow the fol- lowing steps.

eUsing the mounting base, carefully mark off the 2 spots

where the cable and screws will be fastened.

rDrill holes at these marks.

tInstall the mounting base using screws as shown below.

Mounting base

Nut

	Gasket
	Screw holes	Cap
	(approx. 2 (d) mm; 3⁄32″)	Cap
	(approx. 2 (d) mm; 3⁄32″)

yThe installation is finished when it is completed.

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Contents IM502 Case of Emergency Channel 16 is automatically selectedTable of Contents Page Operating Rules Radio license for boaters U.S.A. onlyShip Station License OPERATOR’S LicenseTransmit Power Switch HI/LO Panel DescriptionPanel description Channel Selector Channel1DSC/POSITION Switch DSC/ENTPOS Function display PTT Switch PTT Channel UP/DOWN Switches Y/ZSame as the HI/LO switch on the front panel. p MicrophoneBasic Operation Channel selectionChannel Channel 9 Call channelMicrophone lock function Weather channelsCanadian channels Push once CH/WXPush HI/LO to select the output power if necessary Receiving and transmittingPush LO/DX to turn the receive attenuator on or OFF if NecessaryChannel names Call channel programming25W TAG äLEASURE Set mode Scrambler code item Optional voice scrambler operationActivating the scrambler Programming scrambler codes Optional scrambler function on or OFFDUALWATCH/TRI-WATCH Simulation Description OperationCall channel Scan Operations Scan typesPriority Scan Normal ScanClearing all tag channels in the selected channel group Setting tag channels Starting a scanScan starts DSC Operation Mmsi code programmingPosition and time programming LATÊÊÊÊ LonêêêêêPosition indication InputÊtimeUTCÊÊ LATÊ3434N LON13534EDistress call DistressÊÊTX LATÊ3523N LON13535EGPSÊUTC1234 Distress Completed WaitÊforÊACKTransmitting DSC calls Transmitting individual callÊindvêack DSC/ENTTransmitting individual acknowledgement ˘INDVÊACKTransmitting all ships call ˘AllÊshipsPush DSC/ENT to transmit the all ships call All ships call has been transmittedTransmitting position reply call Transmitting position request callPosêreq Setting the distress information SelÊitem ÊRCVÊcalls ˘DTRSÊset ÊSet-upSelÊnature ÊUndesign ˘Explosion ÊFlooding Push Distress for 5 sec. to transmit the distress callDSC individual ID Programming address IDDeleting address ID NameReceiving a distress call Receiving DSC callsReceiving a distress acknowledgement Receiving a distress relay acknowledgement Receiving a distress relay callReceiving an all ships call Receiving an individual callReceiving a geographical area call Receiving a position reply callReceiving a position request call ÊtomDSC set mode Offset timeSet-up ÊAddÊID ÊDeleteÊID ˘OffsetÊtime OffsetÊtime 0000 1200Mmsi code check Set-up ÊDeleteÊID ÊOffsetÊtime ˘MMSIÊcheckCheck the 9-digit Mmsi DSC self ID code MMSIÊcheck 123456789Receive messages SelÊitem ˘RCVÊcalls ÊDTRSÊset ÊSet-upSelÊMessage ˘Distress ÊOther ToÊclear ThisÊdata NoÊDSC/ENT YesÊH/LIntercom Operation Intercom operationIntercom TalkSET Mode Set mode programmingSET Mode Construction Push 16Set mode items Scan modeScan resume timer Weather alertBeep tone DSC watchInternal speaker LCD contrast Attenuation levelScrambler code Scrambler typeConnections and Maintenance Supplied accessoriesFuse replacement CleaningConnections Microphone HangerMounting the transceiver Using the supplied mounting bracketOverhead Mounting Mounting on Dashboard Using the optional mounting bracket Attach the clamps on either side of the IC-M502Optional unit installation Dimensions Troubleshooting Problem Possible Cause Solution† Low power only Receive only Channel ListSpecifications and Options SpeciﬁcationsGeneral TransmitterOptions Power Switch PWR pgs PTT Switch PTT pgsHM-127 REMOTE-CONTROL Microphone Push and hold to transmit release to receiveSQUELCH/MONITOR/LOCK Switch Sqlmonil VOLUME/DIMMER Switch VoldimTransmit Power Switch H/L 0SCAN Switch SCNTAGpgs0PRIORITY Channel Indicator HM-127 supplied accessories Installation Installation is finished when it is completedMm 3⁄32˝ 24 to 27 d mm 15⁄16 to 11⁄16˝ Mm 29⁄32˝ Gasket Channel A., International and Canadian channels Call channelPush CH/WX to select regular channel Condition before selecting the Push Weather channel groupRF attenuator function Push H/L to select the output power, if necessaryPush LO/DX to turn the RF Attenuator function on and OFF Lock functions Display backlightingMonitor function Activating the lock functionActivating the scrambler Programming scramble codesPush Y/Z to select the desired channel To turn the scrambler func Tion OFF, repeat step wSetting tag channels Dualwatch/Tri- watch operationTurn power OFF While pushing 169, turn power on Entering set modeBeep toneBEEP Intercom beep function Intercom operation Channel namesAvailable characters Template Cut here149 57⁄˝ R11 Mm 3⁄32˝Kamiminami, Hirano-ku, Osaka 547-0003 Japan