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VHF Marine Radio Protocols
Operating Your Radio
33
Nothing Comes Close to a Cobra
®
Advanced Operation
Using Tri-Watch
Tri-Watch Scan Mode:
1. From Marine Standby mode, press the TRI-WATCH
button. The TRI icon will appear on the LCD display
and the radio will scan through the three (3) Tri-Watch
memory channels.
2. A signal on any one (1) of the three (3) channels will
stop the scan for 10 seconds to allow you to listen to
the traffic on that location.
NOTE
After the Tri-Watch scan stops to monitor a channel,
as long as you do not press any buttons within 10
seconds, your radio will automatically resume
scanning the Tri-Watch channels.
3. Press the Channel Up/Down button to resume
scanning the Tri-Watch channels or to change the
scan direction.
4. To EXIT the Tri-Watch scan, press the TRI-WATCH
button again. The TRI icon will disappear from the
LCD and the radio will return to Marine Standby
mode.
TRI-WATCH Button
Tri-Watch Scan Mode
VHF Marine Radio Protocols
Operating Your Radio
32
English
Advanced Operation
Tri-Watch Mode
Tri-Watch mode gives you one (1) button access to scan
a total of three (3) channels of most importance to you.
Channel 16 is preprogrammed and will always be one (1)
of the scanned locations. Two (2) other channels of your
choice can be stored in the radio. These channels can be
edited and/or recalled during future engagements of
Tri-Watch mode.
NOTE
The radio must be squelched for Tri-Watch mode to
function. See page 20 for Squelch procedure.
Tri-Watch Setup
To Program or Edit the Tri-Watch Channels:
1. Press and hold the TRI-WATCH button for two (2)
seconds to activate Tri-Watch Setup mode. The
TRI and MEM icons on the display will turn On.
NOTE
The main channel number will flash to indicate
channel position. If there is no input activity for
15 seconds, the radio will sound two (2) beeps
and return to Marine Standby mode.
2. Press Channel Up/Down button to select the
desired Tri-Watch channel.
3. Press and release TRI-WATCH button or
Call/Enter/Setup button to confirm entry.
4. Repeat steps 2 and 3 to program the remaining
additional Tri-Watch memory channel.
5. After programming both Tri-Watch memory
channels the radio will immediately engage
Tri-Watch mode.
TRI-WATCH Button
TRI and MEM Icons
Channel Up/Down Button