Icom IC-M502, VHF MARINE TRANSCEIVER Activating the scrambler, Programming scramble codes

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■Call channel programming

qPush [CH/WX•U/I/C] several times

while pushing [H/L] to select the desired channel group (USA, INT, CAN) to be programmed.

w Push [16•9] for 1 sec. to select the call channel of the selected chan- nel group.

• “CALL” and call channel number ap- pear.

e Push [16•9] again for 3 sec. (until long beep changes to 2 short beeps) to enter call channel pro- gramming condition.

• Call channel number and channel group to be programmed ﬂashes.

r Push [Y]/[Z] to select the desired channel.

t Push [16•9] to program the dis- played channel as the call channel.

• The call channel number and channel group stop ﬂashing.

HM-127 REMOTE-CONTROL MICROPHONE 13

■Optional voice scrambler operation

Activating the scrambler

qSelect an operating channel, except channel 16 or weather

channels.

wPush [LO/DX•IC•SCR] while

pushing [H/L] to turn the voice scrambler function ON.

• “SCRM” appears.

e To turn the scrambler func-

	tion OFF, repeat step w.
		Appears when the voice
	• “SCRM” disappears.
		scrambler function is in use.

Programming scramble codes

There are 128 codes (00 to 127) available with UT-98 or 32 codes (01 to 32) available with the UT-112 for programming. In order to understand one another, all transceivers in your group must have the same scrambler code, as well as the same scrambler unit. The scrambler code is programmed in set mode. See pgs. 10, 33, 55 for details.

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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 channels Push 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