Dualwatch/Tri-Watch; I Description; I Operation - Icom IC-M87 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].
• If no signal is received, the transceiver enters the power saving
condition for 0.5 sec. after checking the operating channel every
cycle.

DUALWATCH/TRI-WATCH

Call channel
Tri-watch

I Operation

q Select the desired operating channel.
w Push [SCN•
] to start dualwatch or tri-watch (depend-
DUAL
ing on SET mode setting).
• "DUAL" blinks during dualwatch; "TRI" blinks during tri-watch.
• A beep tone sounds 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 [SCN•
[Example]: Operating tri-watch on INT channel 07.
Push for 1 sec.
DUAL
6
] again.
DUAL
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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