Icom IC-M604A [19/68] Operation

Icom IC-M604A [19/68] Operation
13
4
DUALWATCH/TRI-WATCH
3
4
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.
Operation
q Select the desired channel.
w Push [O], then push [1•
DUAL
] to start Dualwatch or
[2•
TRI
] to start Tri-watch.
&7#. appears during Dualwatch;64+ appears dur-
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.
DUALWATCH AND TRI-WATCH SIMULATION
Dualwatch
Tri-watch
Call channel
Ch 88
Ch 16
Ch 88
Ch 16
Ch 88
Ch 9
If a signal is received on Channel 16, Dualwatch and Tri-
watch pause on Channel 16 until the signal disappears.
If a signal is received on the Call channel during Tri-
watch, Tri-watch switches to Dualwatch until the signal
disappears.
To transmit on the selected channel while using Dual-
watch or Tri-watch, hold down [PTT].
[Example]: Operating Tri-watch on INT Channel 25
99 +06+06
&72&72
64+64+ 
00
99
76%76%  6'.'2*10'6'.'2*10'
$75;$75; 99 +06+06 %#..%#..
6#)6#)
64+64+ 
00
99
76%76%  %#..+0)%#..+0)
Tri-watch starts.
Signal is received on the call
channel.
$75;$75; 99 +06+06
&72&72
64+64+ 
00
99
76%76%  6'.'2*10'6'.'2*10'
Signal received on Channel
16 takes priority.
99 +06+06
&72&72
64+64+ 
00
99
76%76%  6'.'2*10'6'.'2*10'
Tri-watch resumes after the
signal disappears.

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