Dualwatch/Tri-Watch; Description; Operation - Icom IC-M87 Instruction Manual

6

DUALWATCH/TRI-WATCH

■ 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].
15
Call channel
Tri-watch

■ 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
] 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.