6013 HM-127 REMOTE-CONTROL MICROPHONE Optional Voice scrambleroperationDD Activating the Scramblerq Select an operating channel,except for Channel 16, Chan-nel 70 or weather channels.w While pushing [[ H/LH/L ]], push[[LO/DXLO/DX]] (( SCR)SCR) to turn theVoice scrambler function ON.• “SCRM” appears.e To turn the Scrambler func-tion OFF, repeat step w.• “SCRM” disappears.DD Programming scramble codesThere are 128 codes available with UT-98 or 32 codes (01to 32) available with the UT-112 for programming. In order tounderstand one another, all transceivers in your group musthave the same scrambler code as well as the same scram-bler unit. The scrambler code is programmed in Set mode.See pgs. 10, 41 for details. Dualwatch/Tri-watchoperationq Push [[ YYYY]]/[[ ZZZZ]] to select the desired channel.• Push [[CH/WXCH/WX]] (( U/I/C)U/I/C) several times while pushing [[H/LH/L]] toselect the channel group (USA, INT, CAN), if desired.w Push [[CH/WXCH/WX]] (( U/I/C)U/I/C) for 1 sec. to start Dualwatch orTri-watch.• “DUAL” appears during Dual-watch; “TRI” appears during Tri-watch.• A beep tone sounds when a sig-nal is received on Channel 16.• Tri-watch becomes Dualwatchwhen receiving a signal on callchannel.• Dualwatch or Tri-watch can beselected in the transceiver’s Setmode.e To cancel Dualwatch/Tri-watch, push [[CH/WXCH/WX ]] (( U/I/C)U/I/C)again.DWDWDWICAppears when the Voicescrambler function is in useAppears when the Dual orTri-watch function is in use.

OPERATING RULES

I Front panel

panel description 2

I Function display

PANEL DESCRIPTION........... 2

I Channel selection

basic operation

I Receiving and transmitting

I Call channel programming

BASIC OPERATION ............ 6

DUALWATCH/TRI-WATCH

I Scan types

I Setting tag channels

I MMSI code programming

dsc operation

I Position and Time programming

I Position/Time indication

I Distress call

I Transmitting DSC calls

I Receiving DSC calls

I Received messages

dsc set mode

I Intercom operation

I Microphone lock function

I Set mode programming

I Set mode items

set mode

I Supplied accessories

I Connections

I Mounting the transceiver

I Optional unit installation

I Dimensions

troubleshooting

CHANNEL LIST

SPECIFICATIONS AND 5

I Options

I Panel description

I Lock functions

I RF attenuator function

I Dualwatch/Tri-watch operation

I Starting a scan

I Channel comments

I HM-127 supplied accessories

I Installation

Icom IC-M502A Instruction Manual

IC-M502A