Dualwatch/Tri-Watch; Description; Operation - Icom iM87 Instruction Manual

■ 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 is convenient for monitoring Channel 16 when you are
operating on another channel.
DUALWATCH/TRI-WATCH SIMULATION
Ch 16 Ch 88 Ch 88
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 dis-
appears.
• To transmit on the selected channel during Dualwatch/
Tri-watch, push and hold [PTT].

DUALWATCH/TRI-WATCH

Call
channel
Ch 16 Ch 88 Ch 20
Tri-watch

■ Operation

q Select Dualwatch or Tri-watch in the set mode. (p. 19)
w Select the desired operating channel.
e Push [SCN• ] for 1 sec. to start Dualwatch or Tri-
DUAL
watch (depending 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.
r 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.
15