Icom IC-M503 instruction manual Troubleshooting, Problem Possible Cause Solution

Page 29

 

 

 

 

 

9

 

 

TROUBLESHOOTING

 

 

 

 

 

PROBLEM

POSSIBLE CAUSE

 

SOLUTION

REF.

No power comes ON.

• Bad connection to the power supply.

 

• Check the connection to the transceiver.

p. 19

 

 

 

 

 

No sound comes from

• Squelch level is too deep.

 

• Set squelch to the threshold point.

p. 8

the speaker.

• Volume level is too low.

 

• Set [VOL] to a suitable level.

p. 8

 

• Speaker has been exposed to water.

 

• Drain water from the speaker.

—

 

 

 

 

 

Transmitting is impossi-

• Some channels are for low power or re-

 

• Change channels.

pgs.

ble, or high power can -

ceive only.

 

 

 

6, 26

not be selected.

• The output power is set to low.

 

• Push [HI/LO] to select high power.

p. 8

 

 

 

 

 

Scan does not start.

• “TAG” channel is not programmed.

 

• Set the desired channels as “TAG” chan-

p. 13

 

 

 

nels.

 

 

 

 

 

 

No beep sounds.

• Beep tone is turned OFF.

 

• Turn the beep tone ON in SET mode.

p. 15

 

 

 

 

 

Receive signal cannot

• Optional voice scrambler is turned OFF.

 

• Turn the optional voice scrambler ON.

p. 10

be understood.

• Scramble code is not set correctly.

 

• Reset the scramble code.

p. 16

 

 

 

 

 

 

25

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Contents IM503 Channel 16 is automatically selected Mayday Mayday MaydayDS-100 #02 DSC Controller is required 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 channelRotate the channel selector to select a channel Basic OperationAtis and DSC channels FRG version only 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 Construction SET ModeSet mode programming 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 Overhead Mounting Mounting on Dashboard Using the supplied mounting bracketMounting the transceiver 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 ListOptions Specifications and OptionsSpecifications 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 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 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 24 to 27 d mm 15⁄16 to 11⁄16˝ HM-134 Connections and InstallationMm 3⁄ 32˝ x 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
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