Icom IC-M503 instruction manual Function display

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2 PANEL DESCRIPTION

■Function display

		o	i
	q	BUSY	INT
	w	25W	CALL	u
	e	TAG SC	DUP	u
	e	TAG SC	DUP
	r	CALLING

t y

q BUSY/TRANSMIT INDICATOR (p. 8)

➥“BUSY” appears when receiving a signal or when the squelch opens.

➥“TX” appears while transmitting.

w POWER INDICATOR (p. 8)

➥“25W” appears when high power is selected.

➥“1W” appears when low power is selected.

e TAG CHANNEL INDICATOR (p. 13) Appears when a tag channel is selected.

r CHANNEL NAME INDICATOR

➥Channel comment appears if programmed. (p. 9)

➥“Low Battery” appears when the battery voltage drops

to approx. 10 V DC or below.

➥“DUAL” appears during dualwatch; “TRI” appears dur- ing tri-watch. (p. 11)

➥“WAIT” appears in the IC-M503 display while transmit- ting via the HM-134 remote-control microphone.

•In the above case, the connected HM-134 has priority.

➥“LSTN” appears in the IC-M503 display when pushing the PTT switch on the HM-134, while the intercom func- tion is activated.

t SCRAMBLER INDICATOR (p. 10)

Appears when the optional voice scrambler is activated.

y DUPLEX INDICATOR

Appears when a duplex channel is selected.

u CHANNEL NUMBER READOUT

➥Indicates the selected operating channel number. “A” appears when a simplex channel is selected. (p. 6)

➥In set mode, indicates the selected condition. (pgs. 15,16)

iCHANNEL GROUP INDICATOR (p. 6)

Indicates whether an International, U.S.A., Holland, DSC or ATIS channel is selected.

• Available channel groups depend on version.

o CALL CHANNEL INDICATOR (pgs. 6, 9)

Appears when a call channel is selected.

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Contents IM503 Channel 16 is automatically selected Mayday Mayday MaydayDS-100 #02 DSC Controller is required Table of Contents Page Operating Rules PrioritiesPrivacy Radio LicensesVolume Control VOL Adjusts the audio level. pPanel Description Panel descriptionPanel Description Function display PTT Switch PTT Channel UP/DOWN Switches Y/ZMicrophone Push and hold to transmit release to receive. pBasic Operation Channel selectionChannel ÏCall channelRotate the channel selector to select a channel Basic OperationAtis and DSC channels FRG version only Receiving and transmitting Call channel programming Channel namesRotate the channel selector to select the desired channel Push Call to input and set the nameSet mode Scrambler code item Optional voice scrambler operationActivating the scrambler Programming scrambler codesDUALWATCH/TRI-WATCH DescriptionOperation DUALWATCH/TRI-WATCH SimulationScan Operations Scan typesPriority Scan Normal ScanSetting tag channels Starting a scanScan Operation Clearing all tag channels in the selected channel groupSET Mode Construction SET ModeSet mode programming Set mode items Scan modeScan resume timer Dual/tri watchInternal speaker LCD contrastScrambler code Scrambler typeIntercom Operation Intercom operationConnections and Maintenance Fuse replacementCleaning UnpackingConnections and Maintenance ConnectionsMicrophone hanger Overhead Mounting Mounting on Dashboard Using the supplied mounting bracketMounting the transceiver Using the optional mounting bracket Optional unit installation Opening the transceiver caseDimensions 145.0 5 23⁄32˝109.4 110.0 4 11⁄32˝ 165.0 6 1⁄2˝ 31.4 53.0 Unit mm inchTroubleshooting Problem Possible Cause SolutionChannel List International channelsOptions Specifications and OptionsSpeciﬁcations Power Switch PWR pgs PTT Switch PTT pgsChannel 16/CALL Channel Switch 16C HM-134 REMOTE-CONTROL MicrophoneHM-134 REMOTE-CONTROL Microphone Channel Group Indicator pgs KEY Lock Indicator p12HM-134 REMOTE-CONTROL Microphone 1EXTERNAL Speaker Jack7WAIT Indicator Call channel S.A. and International channelsA. channels International channelsPush H/L to select the output power, if necessary Lock functions Display backlightingMonitor function Activating the lock functionTo turn the scrambler func Tion OFF, repeat step w Programming scramble codesPush Y/Z to select the desired channel Push Dual to start dualwatch or tri-watch To cancel dualwatch/tri-watch, push Dial againDualwatch/Tri- watch operation Entering set mode Transceiver’s functionsMicrophone’s own functions Beep tone BeepIntercom beep function Available charactersHM-134 Connections and Installation HM-134 supplied accessoriesInstallation Accessories included with the HM-134 Qty13HM-134 Connections and Installation 24 to 27 d mm 15⁄16 to 11⁄16˝ HM-134 Connections and InstallationMm 3⁄ 32˝ x MB-75 Template Cut here149 57⁄8˝ R11 Mm 3⁄32˝Installation Notes Installation notes0560 Intended Country of Use GER FRA ESPAUT NED POR DEN GBR BEL ITA FIN IRL LUX GRE SUI Kamiminami, Hirano-ku, Osaka 547-0003 JapanFrequency MHz Transmit Receive 01A