Icom IC-M503 12HM-134 REMOTE-CONTROL Microphone, 1EXTERNAL Speaker Jack, KEY Lock Indicator p

Page 34

12HM-134 REMOTE-CONTROL MICROPHONE

!1EXTERNAL SPEAKER JACK

➥Connect the external speaker (an 8 Ω load). The internal

speaker can be deactivated via the Set mode program-

ming. (p. 37)

• The speaker output employs a BTL (Balanced Trans-

Less) circuit, NEVER connect the speaker cable to

ground (or chassis). Use a ﬂoating setup.

■Function display

!7 !6	!5!4!3 !2!1
WAIT TX BUSY TAG CALL LOW

CAUTION: After connecting the external speaker jack,

cover the jack with water resistant tape as shown below to

avoid water seeping into the microphone.

Binding the mic-cable and external-speaker jack connec-

tion mold with water resistant tape increases the water- prooﬁng of the connection mold.

q	USA
	INT
w	L

e

rVOL

tSQL

	DUP DUAL	!0
	P SCAN TRI	!0
	P SCAN TRI

	o
SCRM	i
SCRM
	u
y

External SP jack

Connection mold

q CHANNEL GROUP INDICATOR (pgs. 6, 32)

Indicates whether an International (INT) or U.S.A. (USA) channel is selected.

w KEY LOCK INDICATOR (p. 34)

➥Appears while the key lock function is in use.

➥Flashes while the all key lock function is in use.

e CHANNEL NUMBER READOUT

➥Indicates the selected operating channel number. “A” appears when a simplex channel is selected. (pgs. 6, 32)

30

Image 34

Contents IM503 DS-100 #02 DSC Controller is required Mayday Mayday MaydayChannel 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 channelAtis and DSC channels FRG version only Basic OperationRotate 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 programming SET ModeSET 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 Mounting the transceiver Using the supplied mounting bracketOverhead 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 Specifications and OptionsOptions 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 functionPush Y/Z to select the desired channel Programming scramble codesTo turn the scrambler func Tion OFF, repeat step w Dualwatch/Tri- watch operation To cancel dualwatch/tri-watch, push Dial againPush 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 Mm 3⁄ 32˝ x HM-134 Connections and Installation24 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