Icom IC-M502, VHF MARINE TRANSCEIVER Intercom Operation, Intercom operation, Talk

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Intercom operation

The optional intercom function allows you to talk to the deck from the cabin. The optional HM-127 REMOTE-CONTROL MI- CROPHONE is required for intercom operation.

Connect an optional HM-127 as described on p. 35.

Transmitting is impossible during intercom operation.

The received signal is muted during intercom operation.

qPush [LO/DX•IC•SCR] for 1 sec. to enter intercom mode.

The HM-127 power is automatically turned ON, even if the power is OFF.

INT

INT

Intercom

IC-M502HM-127

wPush and hold [LO/DX•IC•SCR] again to call up.

• The transceiver and microphone emit call beeps.

ePush and hold the PTT switch and speak at a normal voice level into the microphone.

“TALK” or “LSTN” appears on the caller or listener function dis- play, respectively.

To adjust the IC-M502’s speaker output level, rotate [VOL].

INTERCOM OPERATION 7

To adjust the HM-127’s speaker output level, push [Y]/[Z] after pushing [VOL].

INT

INT

Intercom

TALK

IC-M502 (caller)

HM-127 (listener)

rAfter releasing the PTT switch you can hear the response through the speaker.

tTo return to normal operation, push [LO/DX•IC•SCR] mo- mentarily.

Other switches also turn the function OFF, however, the corre- sponding function is then activated e.g. pushing [16•9] selects channel 16.

•While in the intercom mode, the transceiver functions

(transmit and receive) are interrupted. If the transceiver is

in transmit condition, the intercom function is not avail-

able.

•When a DSC call is received, “DSC received” appears

and the last received DSC message is displayed after the

intercom use is finished.

•When a WX alert is received, “WX ALT” flashes and a

beep sounds. The WX alert sounds after the intercom use is finished.

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Contents IM502 Channel 16 is automatically selected Case of EmergencyTable of Contents Page Radio license for boaters U.S.A. only Operating RulesShip Station License OPERATOR’S LicensePanel Description Transmit Power Switch HI/LOPanel description Channel Selector Channel1DSC/POSITION Switch DSC/ENTPOS Function display Channel UP/DOWN Switches Y/Z PTT Switch PTTSame as the HI/LO switch on the front panel. p MicrophoneChannel selection Basic OperationChannel Channel 9 Call channelWeather channels Microphone lock functionCanadian channels Push once CH/WXReceiving and transmitting Push HI/LO to select the output power if necessaryPush LO/DX to turn the receive attenuator on or OFF if NecessaryCall channel programming Channel names25W TAG äLEASURE Optional voice scrambler operation Set mode Scrambler code itemActivating the scrambler Programming scrambler codes Optional scrambler function on or OFFDescription Operation DUALWATCH/TRI-WATCH SimulationCall channel Scan types Scan OperationsPriority Scan Normal ScanSetting tag channels Starting a scan Clearing all tag channels in the selected channel groupScan starts Mmsi code programming DSC OperationPosition and time programming LATÊÊÊÊ LonêêêêêInputÊtime Position indicationUTCÊÊ LATÊ3434N LON13534EDistressÊÊTX LATÊ3523N LON13535E Distress callGPSÊUTC1234 Distress Completed WaitÊforÊACKTransmitting individual call Transmitting DSC callsÊindvêack DSC/ENT˘INDVÊACK Transmitting individual acknowledgement˘AllÊships Transmitting all ships callPush DSC/ENT to transmit the all ships call All ships call has been transmittedTransmitting position request call Transmitting position reply callPosêreq SelÊitem ÊRCVÊcalls ˘DTRSÊset ÊSet-up Setting the distress informationSelÊnature ÊUndesign ˘Explosion ÊFlooding Push Distress for 5 sec. to transmit the distress callProgramming address ID DSC individual IDDeleting address ID NameReceiving DSC calls Receiving a distress callReceiving a distress acknowledgement Receiving a distress relay call Receiving a distress relay acknowledgementReceiving an all ships call Receiving an individual callReceiving a position reply call Receiving a geographical area callReceiving a position request call ÊtomOffset time DSC set modeSet-up ÊAddÊID ÊDeleteÊID ˘OffsetÊtime OffsetÊtime 0000 1200Set-up ÊDeleteÊID ÊOffsetÊtime ˘MMSIÊcheck Mmsi code checkCheck the 9-digit Mmsi DSC self ID code MMSIÊcheck 123456789SelÊitem ˘RCVÊcalls ÊDTRSÊset ÊSet-up Receive messagesSelÊMessage ˘Distress ÊOther ToÊclear ThisÊdata NoÊDSC/ENT YesÊH/LIntercom operation Intercom OperationIntercom TalkSet mode programming SET ModeSET Mode Construction Push 16Scan mode Set mode itemsScan resume timer Weather alertDSC watch Beep toneInternal speaker Attenuation level LCD contrastScrambler code Scrambler typeSupplied accessories Connections and MaintenanceFuse replacement CleaningMicrophone Hanger ConnectionsUsing the supplied mounting bracket Mounting the transceiverOverhead Mounting Mounting on Dashboard Attach the clamps on either side of the IC-M502 Using the optional mounting bracketOptional unit installation Dimensions Problem Possible Cause Solution TroubleshootingChannel List † Low power only Receive onlySpecifications Specifications and OptionsGeneral TransmitterOptions PTT Switch PTT pgs Power Switch PWR pgsHM-127 REMOTE-CONTROL Microphone Push and hold to transmit release to receiveVOLUME/DIMMER Switch Voldim SQUELCH/MONITOR/LOCK Switch SqlmonilTransmit Power Switch H/L 0SCAN Switch SCNTAGpgs0PRIORITY Channel Indicator HM-127 supplied accessories Installation is finished when it is completed InstallationMm 3⁄32˝ 24 to 27 d mm 15⁄16 to 11⁄16˝ Mm 29⁄32˝ Gasket Call channel Channel A., International and Canadian channelsPush CH/WX to select regular channel Condition before selecting the Push Weather channel groupPush H/L to select the output power, if necessary RF attenuator functionPush LO/DX to turn the RF Attenuator function on and OFF Display backlighting Lock functionsMonitor function Activating the lock functionProgramming scramble codes Activating the scramblerPush Y/Z to select the desired channel To turn the scrambler func Tion OFF, repeat step wDualwatch/Tri- watch operation Setting tag channelsEntering set mode Turn power OFF While pushing 169, turn power onBeep toneBEEP Intercom operation Channel names Intercom beep functionAvailable characters Cut here Template149 57⁄˝ R11 Mm 3⁄32˝Kamiminami, Hirano-ku, Osaka 547-0003 Japan