Icom IC-M503 instruction manual Dualwatch/Tri-Watch, Description, Operation, DualwatchTri-watch

DUALWATCH/TRI-WATCH 4

■Description

Dualwatch monitors Channel 16 while you are receiving an- other channel; tri-watch monitors Channel 16 and the call channel while receiving another channel.

DUALWATCH/TRI-WATCH SIMULATION

Call channel

DualwatchTri-watch

•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 disappears.

•To transmit on the selected channel during dualwatch/tri-watch, push and hold [PTT].

■Operation

qSelect the desired operating channel.

wSelect dualwatch or tri-watch in set mode. (p. 15) e Push [DUAL] to start dualwatch or tri-watch.

•“DUAL” appears during dualwatch; “TRI” appears during tri- watch.

•Beep tone sounds when a signal is received on Channel 16.

•Tri-watch becomes dualwatch when receiving a signal on the call channel.

rTo cancel dualwatch/tri-watch, push [DUAL] again.

[Example]: Operating tri-watch on INT Channel 25.

	INT	Tri-watch starts.
25W
TAG	DUP
TRI	16
BUSY	INT	Signal is received
25W	CALL
		on call channel.
TAG
CALLING	16
BUSY	INT	Signal received on
25W
		Channel 16 takes
TAG	DUP
CALLING	16	priority.
	INT	Tri-watch resumes
25W
		after the signal
TAG	DUP
		disappears.
TRI	16

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