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Icom IC-M90 DAuto scan function “AS”, DDual/Tri-watchfunction “dt”, DMonitor switch action “Sq”, DBacklighting function “bL”

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8 SET MODE

DAuto scan function “AS”

The Auto scan function starts the desired scan automatically when no signal is received, and no operation is performed for 30 sec.

Push

Auto scan OFF (default)

Auto scan ON

DDual/Tri-watch function “dt”

This item selects dual or tri-watch as desired. See p. 14 for details.

Push

Dualwatch function (default)

Tri-watch function

DMonitor switch action “Sq”

The monitor switch action cuts off the squelch function tem- porarily. This switch action contains PUSH (Pu) or HOLD (Ho) settings as shown below.

•Pu (PUSH): After pushing [SQL•MONI] for 1 sec., the squelch opens and emits audio. The squelch is held open while con- tinuously pushing and holding [SQL]. (default)

•Ho (HOLD): After pushing [SQL•MONI] for 1 sec., the squelch opens and emits audio even [SQL•MONI] is released. To close the squelch, push any switch.

Push

Push setting (default)

Hold setting

DBacklighting function “bL”

This function is convenient for nighttime operation. The back- lighting brightness can be adjusted from OFF, 1 (dark)–3 (bright); 3 (default). Select 1–3 to turn this function ON.

•The automatic backlighting turns the backlighting ON when any switch except for [PTT] is pushed.

•The backlighting is automatically turned OFF after 5 sec. of inactivity.

Push

Backlighting ON (default)

Backlighting OFF

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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