Dualwatch/Tri-Watch; Description; Operation - Icom IC-M604A Instruction Manual

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■ 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
Dualwatch
• 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 Dualwatch
or Tri-watch, hold down [PTT].

DUALWATCH/TRI-WATCH

Call channel
Ch 16
Ch 88
Ch 9
Tri-watch

■ Operation

q Select the desired channel.
w Push [O], then push [1•
DUAL
[2•
] to start Tri-watch.
TRI
• "DUAL 16" is displayed during Dualwatch; "TRI 16" is
displayed during 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.
9
+06
&72
64+ 
’0
’9
76%  6'.'2*10'
Tri-watch resumes after the
signal disappears.
9
+06
&72
64+ 
’0
’9
76%  6'.'2*10'
4
] to start Dualwatch or
Signal is received on the call
channel.
$75; 9
+06
%#..
6#)
64+ 
’0
’9
76% 
%#..+0)
Signal received on Channel
16 takes priority.
$75; 9
+06
&72
64+ 
’0
’9
76%  6'.'2*10'
3
4
13

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