Icom IC-M87 Instruction Manual

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Icom IC-M87 Instruction Manual Manual pdf 20 page image

15■ DescriptionDualwatch monitors Channel 16 while you are receiving an-other channel; tri-watch monitors Channel 16 and the callchannel while receiving another channel.■ Operationq Select the desired operating channel.w Push [SCN•DUAL] to start dualwatch or tri-watch (depend-ing on 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 callchannel.e To cancel dualwatch/tri-watch, push [SCN•DUAL] again.[Example]: Operating tri-watch on INT channel 07.Tri-watch starts.Push for 1 sec.Signal is receivedon call channel.Signal received onChannel 16 takespriority.Tri-watch resumesafter the signaldisappears.DUALDUALWATCH/TRI-WATCH SIMULATIONDualwatch Tri-watch*CallchannelCh 88Ch 16 Ch 88 Ch 16 Ch 88 Ch 9• If a signal is received on Channel 16, dualwatch/tri-watch pauseson 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].6 DUALWATCH/TRI-WATCH