Icom IC-M503 Microphone, PTT Switch PTT, Push and hold to transmit release to receive. p

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PANEL DESCRIPTION 2

■Microphone

Speaker

Microphone

q PTT SWITCH [PTT]

Push and hold to transmit; release to receive. (p. 8)

wCHANNEL UP/DOWN SWITCHES [Y]/[Z]

Push either switch to change the operating memory chan- nel, set mode contents, etc. (p. 8)

e TRANSMIT POWER SWITCH [HI/LO]

➥Same as the [HI/LO] switch on the front panel.

➥When pushed at power ON, toggles the [Y]/[Z] and [HI/LO] switch functions ON and OFF.

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Contents IM503 Mayday Mayday Mayday DS-100 #02 DSC Controller is requiredChannel 16 is automatically selected Table of Contents Page Priorities Operating RulesPrivacy Radio LicensesAdjusts the audio level. p Volume Control VOLPanel Description Panel descriptionPanel Description Function display Channel UP/DOWN Switches Y/Z PTT Switch PTTMicrophone Push and hold to transmit release to receive. pChannel selection Basic OperationChannel ÏCall channelBasic Operation Atis and DSC channels FRG version onlyRotate the channel selector to select a channel Receiving and transmitting Channel names Call channel programmingRotate the channel selector to select the desired channel Push Call to input and set the nameOptional voice scrambler operation Set mode Scrambler code itemActivating the scrambler Programming scrambler codesDescription DUALWATCH/TRI-WATCHOperation DUALWATCH/TRI-WATCH SimulationScan types Scan OperationsPriority Scan Normal ScanStarting a scan Setting tag channelsScan Operation Clearing all tag channels in the selected channel groupSET Mode Set mode programmingSET Mode Construction Scan mode Set mode itemsScan resume timer Dual/tri watchLCD contrast Internal speakerScrambler code Scrambler typeIntercom operation Intercom OperationFuse replacement Connections and MaintenanceCleaning UnpackingConnections Connections and MaintenanceMicrophone hanger Using the supplied mounting bracket Mounting the transceiverOverhead Mounting Mounting on Dashboard Using the optional mounting bracket Opening the transceiver case Optional unit installation145.0 5 23⁄32˝ Dimensions109.4 110.0 4 11⁄32˝ 165.0 6 1⁄2˝ 31.4 53.0 Unit mm inchProblem Possible Cause Solution TroubleshootingInternational channels Channel ListSpecifications and Options SpeciﬁcationsOptions PTT Switch PTT pgs Power Switch PWR pgsChannel 16/CALL Channel Switch 16C HM-134 REMOTE-CONTROL MicrophoneHM-134 REMOTE-CONTROL Microphone KEY Lock Indicator p Channel Group Indicator pgs12HM-134 REMOTE-CONTROL Microphone 1EXTERNAL Speaker Jack7WAIT Indicator S.A. and International channels Call channelA. channels International channelsPush H/L to select the output power, if necessary Display backlighting Lock functionsMonitor function Activating the lock functionProgramming scramble codes Push Y/Z to select the desired channelTo turn the scrambler func Tion OFF, repeat step w To cancel dualwatch/tri-watch, push Dial again Dualwatch/Tri- watch operationPush Dual to start dualwatch or tri-watch Transceiver’s functions Entering set modeMicrophone’s own functions Beep tone BeepAvailable characters Intercom beep functionHM-134 supplied accessories HM-134 Connections and InstallationInstallation Accessories included with the HM-134 Qty13HM-134 Connections and Installation HM-134 Connections and Installation Mm 3⁄ 32˝ x24 to 27 d mm 15⁄16 to 11⁄16˝ Cut here MB-75 Template149 57⁄8˝ R11 Mm 3⁄32˝Installation notes Installation Notes0560 GER FRA ESP Intended Country of UseAUT NED POR DEN GBR BEL ITA FIN IRL LUX GRE SUI Kamiminami, Hirano-ku, Osaka 547-0003 JapanFrequency MHz Transmit Receive 01A