Icom IC-M412 Instruction Manual - Page 20
Dualwatch/tri-watch
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5 DUALWATCH/TRI-WATCH n Description Dualwatch monitors Channel 16 while you are receiving on another channel; Tri-watch monitors Channel 16 and the Call channel while receiving another channel. Dualwatch and Triwatch are convenient for monitoring Channel 16 when you are operating on another channel. DUALWATCH/TRI-WATCH SIMULATION Ch 16 Ch 88 Ch 88 Ch 16 Call channel Ch 88 Ch 9 n Operation q Select Dualwatch or Tri-watch in the Set mode. (p. 46) w Push [Y] or [Z] to select a desired channel. e Hold down [DUAL](CH/WX) for 1 second to start Dual- watch or Tri-watch. • "DW" blinks during Dualwatch; "TW" blinks during Tri-watch. • A beep tone sounds and "16" blinks when a signal is received on Channel 16. r To cancel Dualwatch/Tri-watch, push [DUAL](CH/WX) again. [Example]: Operating Tri-watch on INT Channel 25 Tri-watch starts. Dualwatch Tri-watch • If a signal is received on Channel 16, Dualwatch and Triwatch pause 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. • T o transmit on the selected channel during Dualwatch or Tri-watch, hold down [PTT]. 12 Signal is received on the Call channel. Signal is received on Channel 16 takes priority. Tri-watch resumes after the signal disappears.