Icom M73 Instruction Manual - Page 24
Dualwatch/tri-watch
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6 DUALWATCH/TRI-WATCH ■ Description Dualwatch monitors Channel 16 while you are receiving on another channel; Tri-watch* monitors Channel 16 and the call channel while receiving on another channel. *For the Dutch transceiver version Only Dualwatch can be used. DUALWATCH/TRI-WATCH SIMULATION Ch 16 Ch 88 Ch 88 Ch 16 Ch 88 Call channel Ch 9 ■ Operation q Select a desired operating channel. w Hold down [SCAN•DUAL] for 1 second to start Dualwatch or Tri-watch (depending on the SET mode setting; p. 27). • "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. Hold down for 1 second Dualwatch Tri-watch • If a signal is received on Channel 16, Dualwatch/Triwatch pauses on Channel 16 until the signal disappears. • If a signal is received on the Call channel during Triwatch, Tri-watch becomes Dualwatch until the signal disappears. • To transmit on the selected channel during Dualwatch/ Tri-watch, hold down [PTT]. 16 Tri-watch starts. A signal is received on the Call channel. A signal received on Channel 16 always takes priority. Tri-watch resumes after the signal disappears.