Icom IC-M504 Instruction Manual

14
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 16” appears
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
Ch 88
Ch 16
Ch 88
Ch 16
Ch 88
Ch 9
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
Tr i-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
Tr i-watch resumes after the
signal disappears.

Icom IC-M504 Specifications

General

Brand	Icom
Model	IC-M504
Category	Transceiver
Language	English