Icom M604A Instruction Manual - Page 19

4 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 another channel. Dualwatch and Tri-watch are both convenient for monitoring Channel 16 when you are operating on another channel. DUALWATCH AND TRI-WATCH SIMULATION Ch 16 Ch 88 Ch 88 Ch 16 Call channel Ch 88 Ch 9 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 switches to Dualwatch until the signal disappears. • To transmit on the selected channel while using Dualwatch or Tri-watch, hold down [PTT]. ■ Operation q Select the desired channel. w Push [O], then push [1• DUAL ] to start Dualwatch or 3 [2• TRI ] to start Tri-watch. • "&7#." appears during Dualwatch; "64+" appears dur- 4 ing Tri-watch. • A beep tone sounds when a signal is received on Channel 16. e To cancel Dualwatch or Tri-watch, push [CLR] or repeat step w. [Example]: Operating Tri-watch on INT Channel 25 Tri-watch starts. Signal is received on the call channel. 9 +06 &72 64+  $75; 9 +06 6#) 64+  %#.. ’0 ’9 76%  6'.'2*10' ’0 ’9 76 0) Tri-watch resumes after the signal disappears. 9 +06 &72 64+  ’0 ’9 76%  6'.'2*10' Signal received on Channel 16 takes priority. $75; 9 +06 &72 64+  ’0 ’9 76%  6'.'2*10' 13