Icom IC-M603 Instruction Manual

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Contents

134DUALWATCH/TRI-WATCH34■ DescriptionDualwatch monitors Channel 16 while you are receivingon another channel; Tri-watch monitors Channel 16 and thecall channel while receiving another channel. Dualwatch/Tri-watch is convenient for monitoring Channel 16 when you areoperating on another channel.■ Operationq Select the desired channel.w Push [F], then push [1• DUAL ] to start Dualwatch or[2• TRI ] to start Tri-watch.• “DUAL 16” appears during Dualwatch; “TRI 16” appearsduring Tri-watch.• A beep tone sounds when a signal is received on Channel 16.e To cancel Dualwatch or Tri-watch, push [CLR] or repeatstep w.DUALWATCH/TRI-WATCH SIMULATIONWhen Ch 23 is programmed as the call channel.• 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].[Example]: Operating Tri-watch on INT Channel 2525W INTDUPTAGTRI 1634°34.506N123°23.236WUTC 12:00 TELEPHONEBUSY 25W INT CALLDUPTAGTRI 1634°34.506N123°23.236WUTC 12:00 INTLTri-watch starts. Signal is received on callchannel.BUSY 25W INTDUPTAGTRI 1634°34.506N123°23.236WUTC 12:00 TELEPHONESignal received on Channel16 takes priority.25W INTDUPTAGTRI 1634°34.506N123°23.236WUTC 12:00 TELEPHONETri-watch resumes after thesignal disappears.Dualwatch Tri-watchCall channelCh 88Ch 16 Ch 88 Ch 16 Ch 88 Ch 23