Icom IC-M504 [20/80] Dualwatch tri watch

Icom IC-M504 [20/80] Dualwatch tri watch
14
New2001
DUALWATCH/TRI-WATCH
5
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/Tri-
watch is convenient for monitoring Channel 16 when you are
operating on another channel.
Operation
q Select Dualwatch or Tri-watch in Set mode. (p. 56)
w Rotate [DIAL] to select the desired operating channel.
e Push [CH/WX•DUAL•U/I/C] for 1 sec. to start Dualwatch
or Tri-watch.
DUAL 16 appears during Dualwatch; TRI 16appears
during Tri-watch.
A beep tone sounds when a signal is received on Channel 16.
r To cancel Dualwatch/Tri-watch, push [CH/WX•DUAL•U/I/C]
again.
DUALWATCH/TRI-WATCH SIMULATION
If a signal is received on Channel 16, Dualwatch/Tri-
watch pauses on Channel 16 until the signal disappears.
If a signal is received on the call channel during Tri-
watch, Tri-watch becomes Dualwatch until the signal dis
-
appears.
To transmit on the selected channel during Dualwatch/
Tri-watch, push and hold
[PTT].
[Example]: Operating Tri-watch on INT Channel 25
Dualwatch Tri-watch
Call channel
25W INT
DUP
TRI 16
34 34.506N
123 23.236W
UTC 12:00 TELEPHONE
BUSY 25W INT CALL
TAG
TRI 16
34 34.506N
123 23.236W
UTC 12:00 CALLING
Tri-watch starts.
Signal is received on call
channel.
BUSY 25W INT
DUP
TRI 16
34 34.506N
123 23.236W
UTC 12:00 TELEPHONE
Signal received on Channel
16 takes priority.
25W INT
DUP
TRI 16
34 34.506N
123 23.236W
UTC 12:00 TELEPHONE
Tri-watch resumes after the
signal disappears.

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