Icom IC-M72 Instruction Manual - Page 22

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 Operation q Select the desired operating channel. w Push [SCAN•DUAL] for 1 sec. to start dualwatch or tri- watch (depending on the SET mode setting; p. 19). • "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. e To cancel dualwatch/tri-watch, push [SCAN•DUAL] again. [Example]: Operating tri-watch on INT channel 07. Push for 1 sec. Dualwatch Tri-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/triwatch, push and hold [PTT]. 16 Tri-watch starts. Signal is received on the call channel. A signal receive on Channel 16 always takes priority. Tri-watch resumes after the signal disappears.