Icom IC-M90 Marine Radio User Manual


 
14
DUALWATCH/TRI-WATCH
6
Description
Dualwatch monitors Channel 16 while you are receiving
another channel; tri-watch monitors Channel 16 and the call
channel while receiving another channel.
Operation
q Select the desired operating channel.
w Push
[SCANDUAL] for 1 sec. to start dualwatch or tri-watch
(depending on the 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 [SCAN
DUAL] again.
DUALWATCH/TRI-WATCH SIMULATION
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
[Example]: Operating tri-watch on INT channel 07.
Push
for 1 sec.
Signal is received
on the call channel.
Signal ireceived on
Channel 16 takes
priority.
Tri-watch resumes
after the signal
disappears.
Tri-watch starts.