Icom IC-M503 Panel Description, Panel description, Volume Control VOL, Adjusts the audio level. p

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2 PANEL DESCRIPTION

■Panel description

!1 !0 o i

Function display

Speaker

POWER

VOL

VHF MARINE	iM503
			16
WATER RESISTANT
DUAL	SCAN	DIAL	CALL
DUAL	TAG	DIAL	CALL
	TAG
HI/LO			DIMMER
SQL

w e r t y u

q POWER SWITCH [POWER]	r TRANSMIT POWER SWITCH [HI/LO]
Push to toggle the transceiver power ON and OFF.	➥Push to Toggle high and low power . (p. 8)
	• Some channels are set to low power only.

w VOLUME CONTROL [VOL]

Adjusts the audio level. (p. 8)

e SQUELCH CONTROL [SQL]

Sets the squelch threshold level. (p. 8)

➥While pushing and holding this switch, other switches perform secondary functions.

Image 6

Contents IM503 Mayday Mayday Mayday DS-100 #02 DSC Controller is requiredChannel 16 is automatically selected Table of Contents Page Privacy Operating RulesPriorities Radio LicensesPanel Description Volume Control VOLAdjusts the audio level. p Panel descriptionPanel Description Function display Microphone PTT Switch PTTChannel UP/DOWN Switches Y/Z Push and hold to transmit release to receive. pChannel Basic OperationChannel selection ÏCall channelBasic Operation Atis and DSC channels FRG version onlyRotate the channel selector to select a channel Receiving and transmitting Rotate the channel selector to select the desired channel Call channel programmingChannel names Push Call to input and set the nameActivating the scrambler Set mode Scrambler code itemOptional voice scrambler operation Programming scrambler codesOperation DUALWATCH/TRI-WATCHDescription DUALWATCH/TRI-WATCH SimulationPriority Scan Scan OperationsScan types Normal ScanScan Operation Setting tag channelsStarting a scan Clearing all tag channels in the selected channel groupSET Mode Set mode programmingSET Mode Construction Scan resume timer Set mode itemsScan mode Dual/tri watchScrambler code Internal speakerLCD contrast Scrambler typeIntercom Operation Intercom operationCleaning Connections and MaintenanceFuse replacement UnpackingConnections and Maintenance ConnectionsMicrophone hanger Using the supplied mounting bracket Mounting the transceiverOverhead Mounting Mounting on Dashboard Using the optional mounting bracket Optional unit installation Opening the transceiver case109.4 110.0 4 11⁄32˝ 165.0 6 1⁄2˝ 31.4 53.0 Dimensions145.0 5 23⁄32˝ Unit mm inchTroubleshooting Problem Possible Cause SolutionChannel List International channelsSpecifications and Options SpeciﬁcationsOptions Channel 16/CALL Channel Switch 16C Power Switch PWR pgsPTT Switch PTT pgs HM-134 REMOTE-CONTROL MicrophoneHM-134 REMOTE-CONTROL Microphone 12HM-134 REMOTE-CONTROL Microphone Channel Group Indicator pgsKEY Lock Indicator p 1EXTERNAL Speaker Jack7WAIT Indicator A. channels Call channelS.A. and International channels International channelsPush H/L to select the output power, if necessary Monitor function Lock functionsDisplay backlighting 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 Microphone’s own functions Entering set modeTransceiver’s functions Beep tone BeepIntercom beep function Available charactersInstallation HM-134 Connections and InstallationHM-134 supplied accessories 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˝ 149 57⁄8˝ MB-75 TemplateCut here R11 Mm 3⁄32˝Installation Notes Installation notes0560 AUT NED POR DEN GBR BEL ITA FIN IRL LUX GRE SUI Intended Country of UseGER FRA ESP Kamiminami, Hirano-ku, Osaka 547-0003 JapanFrequency MHz Transmit Receive 01A