Dualwatch/Tri-Watch; I Description; I Operation - Icom IC-M21 Instruction Manual

I 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
Dualwatch
• 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].

DUALWATCH/TRI-WATCH

Call channel
Tri-watch

I Operation

q Select the desired operating channel.
w Push [DW•
] momentarily to start dualwatch; push
TRI
[DW• ] for 1 sec. to start tri-watch.
TRI
- "DUAL" flashes during dualwatch; "TRI" flashes during tri-watch.
- Beep tones sound when a signal is received on Channel 16.
- Tri-watch becomes dualwatch when receiving a signal on the call
channel.
e To cancel dualwatch/tri-watch, push [DW•
[Example]: Operating tri-watch on INT Channel 07.
Push for 1 sec.
TRI
DW
4
] again.
TRI
Tri-watch starts.
Signal is received
on call channel.
Signal received on
Channel 16 takes
priority.
Tri-watch resumes
after the signal
disappears.
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