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Icom IC-M90 6 DUALWATCH/TRI-WATCH, ■Description, ■Operation, DualwatchTri-watch

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6 DUALWATCH/TRI-WATCH

■Description

Dualwatch monitors Channel 16 while you are receiving another channel; tri-watch monitors Channel 16 and the call channel while receiving another channel.

DUALWATCH/TRI-WATCH SIMULATION

Call channel

DualwatchTri-watch

•If a signal is received on Channel 16, dualwatch/tri-watch pauses on Channel 16 until the signal disappears.

•If a signal is received on the call channel during tri-watch, tri-watch becomes dualwatch until the signal disappears.

•To transmit on the selected channel during dualwatch/tri- watch, push and hold [PTT].

■Operation

qSelect the desired operating channel.

wPush [SCAN•DUAL] for 1 sec. to start dualwatch or tri-watch (depending on the SET mode setting).

•“DUAL” blinks during dualwatch; “TRI” blinks during tri-watch.

•A beep tone sounds when a signal is received on Channel 16.

•Tri-watch becomes dualwatch when receiving a signal on the call channel.

eTo cancel dualwatch/tri-watch, push [SCAN•DUAL] again.

[Example]: Operating tri-watch on INT channel 07.

Tri-watch starts.

Push

for 1 sec.

Signal is received on the call channel.

Signal ireceived on Channel 16 takes priority.

Tri-watch resumes after the signal disappears.

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Contents

INSTRUCTION MANUAL SAFETY TRAINING INFORMATION IN CASE OF EMERGENCY DISTRESS CALL PROCEDURE RECOMMENDATION FOREWORD IMPORTANT READ ALL INSTRUCTIONS carefully and com SAVE THIS INSTRUCTION MANUAL—Thisin EXPLICIT DEFINITIONS PRECAUTION WARNING! NEVER AVOID KEEP MAKE SURE TABLE OF CONTENTS DPriorities DPrivacy DRadio licenses OPERATING RULES 2 SUPPLIED ACCESSORIES AND ATTACHMENTS ■Supplied accessories ■Attachments DFlexible antenna DHandstrap ïBattery pack 3 PANEL DESCRIPTION ■Front, top and side panels ■ Function display Page ■Channel selection DChannel BASIC OPERATION D Channel 9 (Call channel) DU.S.A., International and Canadian channels DWeather channels ■Receiving and transmitting CAUTION: ■Call channel programming ■Lock function ■Signal strength indicator function ■Monitor function ■Adjusting the squelch level ■Backlighting function ■Voice scrambler operation D Activating the scrambler DProgramming scramble codes 5 SCAN OPERATION ■Scan types ■ Setting tag channels ■ Starting a scan 6 DUALWATCH/TRI-WATCH ■Description ■Operation LAND CHANNEL OPERATION ■ LAND channel group ■ CTCSS and DTCS display ■VOX function 8 SET MODE ■SET mode programming DSET mode operation ■SET mode items DBeep tone function “bP” DWeather alert function “AL” DPriority scan function “Pr” DScan resume timer “St” DAuto scan function “AS” DDual/Tri-watchfunction “dt” DMonitor switch action “Sq” DBacklighting function “bL” DLCD contrast selection “LC” DAuto power save function “PS” DSelf check function “SC” DBattery voltage indicator “bt” DSquelch sensitivity function “SS” DSignal strength indicator “Sl” DScrambler code “cd” DVOX gain “ga” DVOX delay “dL” 9 BATTERY CHARGING ■Battery charging DRecycling information ■Battery cautions CAUTION! NEVER ■ Optional battery case ■Optional battery chargers ïAD-109installation ïRapid charging with the BC-119N+AD-109 ïRapid charging with the BC-121N+AD-109 10 OPTIONAL SWIVEL BELT CLIP ■MB-86contents ■Attachment ■Detachment R CAUTION OPTIONAL SPEAKER-MICROPHONE ■ HM-125Descriptions ■ Attachment 12 TROUBLESHOOTING VHF MARINE CHANNEL LIST 14 SPECIFICATIONS 15 REFERENCE QUICK Page DBATTERY CASE AND PACK DCHARGERS OPTIONS DDC CABLES DOTHER OPTIONS DBELT CLIPS