Icom IC-M503 instruction manual Programming scramble codes, Push Y/Z to select the desired channel

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■Call channel programming

qWhile pushing and holding [H/L],

push [DIAL] several times to select the desired channel group (USA or INT) to be programmed.

w Push and hold [16•C] for 1 sec. to select the call channel of the se- lected channel group.

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

e Push and hold [16•C] again for 3 sec. (until long beep changes to 2 short beeps) to enter call channel programming condition.

•Call channel number and channel

group to be programmed ﬂashes.

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

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

• The call channel number and channel group stop ﬂashing.

HM-134 REMOTE-CONTROL MICROPHONE 12

■Optional voice scrambler operation

ïActivating the scrambler

qSelect an operating channel, other than Channel 16. w While pushing and holding

[H/L], push [DUAL] 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.

ïProgramming 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, 16, 37 for details.

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Contents IM503 Mayday Mayday Mayday DS-100 #02 DSC Controller is requiredChannel 16 is automatically selected Table of Contents Page Radio Licenses Operating RulesPriorities PrivacyPanel description Volume Control VOLAdjusts the audio level. p Panel DescriptionPanel Description Function display Push and hold to transmit release to receive. p PTT Switch PTTChannel UP/DOWN Switches Y/Z MicrophoneÏCall channel Basic OperationChannel selection ChannelBasic Operation Atis and DSC channels FRG version onlyRotate the channel selector to select a channel Receiving and transmitting Push Call to input and set the name Call channel programmingChannel names Rotate the channel selector to select the desired channelProgramming scrambler codes Set mode Scrambler code itemOptional voice scrambler operation Activating the scramblerDUALWATCH/TRI-WATCH Simulation DUALWATCH/TRI-WATCHDescription OperationNormal Scan Scan OperationsScan types Priority ScanClearing all tag channels in the selected channel group Setting tag channelsStarting a scan Scan OperationSET Mode Set mode programmingSET Mode Construction Dual/tri watch Set mode itemsScan mode Scan resume timerScrambler type Internal speakerLCD contrast Scrambler codeIntercom operation Intercom OperationUnpacking Connections and MaintenanceFuse replacement CleaningConnections 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 installationUnit mm inch Dimensions145.0 5 23⁄32˝ 109.4 110.0 4 11⁄32˝ 165.0 6 1⁄2˝ 31.4 53.0Problem Possible Cause Solution TroubleshootingInternational channels Channel ListSpecifications and Options SpeciﬁcationsOptions HM-134 REMOTE-CONTROL Microphone Power Switch PWR pgsPTT Switch PTT pgs Channel 16/CALL Channel Switch 16CHM-134 REMOTE-CONTROL Microphone 1EXTERNAL Speaker Jack Channel Group Indicator pgsKEY Lock Indicator p 12HM-134 REMOTE-CONTROL Microphone7WAIT Indicator International channels Call channelS.A. and International channels A. channelsPush H/L to select the output power, if necessary Activating the lock function Lock functionsDisplay backlighting Monitor 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 Beep tone Beep Entering set modeTransceiver’s functions Microphone’s own functionsAvailable characters Intercom beep functionAccessories included with the HM-134 Qty HM-134 Connections and InstallationHM-134 supplied accessories Installation13HM-134 Connections and Installation HM-134 Connections and Installation Mm 3⁄ 32˝ x24 to 27 d mm 15⁄16 to 11⁄16˝ R11 Mm 3⁄32˝ MB-75 TemplateCut here 149 57⁄8˝Installation notes Installation Notes0560 Kamiminami, Hirano-ku, Osaka 547-0003 Japan Intended Country of UseGER FRA ESP AUT NED POR DEN GBR BEL ITA FIN IRL LUX GRE SUIFrequency MHz Transmit Receive 01A