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Nothing Comes Close to a Cobra
®
VHF Marine Radio Protocols
Operating Your Radio
44
English
VHF Marine Radio Protocols
Operating Your Radio
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, either GMRS or VHF, 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 18
for Squelch procedure.
HI
R
Tri-Watch Button
MEMSAMEATIS VOX
LO MEDHI
VHF
T
R
A
B
GMRS
X
CIU
Memory Location Number
HI
R
Channel Up/Down Buttons
Using Tri-Watch
Tri-Watch Scan Mode:
1. From Marine or GMRS Standby mode, press the TRI-WATCH
button. The TW SCAN will display on the matrix along with the
three channels stored in the Tri-Watch memory.
2. The radio will scan through the three (3) Tri-Watch
memory channels.
3. 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.
4. Press the Channel Up/Down button to resume scanning
the Tri-Watch channels or to change the scan direction.
5. To EXIT the Tri-Watch scan, press the TRI-WATCH button
again, and the radio will return to Marine or GMRS
Standby mode.
MEMSAMEATIS VOX
LO MEDHI
VHF
T
R
A
B
GMRS
X
CIU
Tri-Watch Scan Mode
Advanced OperationAdvanced Operation
Tri-Watch Setup
To Program or Edit the Tri-Watch Channels:
1. Press and hold the TRI-WATCH button from Marine or
GMRS Standby mode for two (2) seconds to activate Tri-
Watch Setup mode. The MEM icon on the display will turn
On and the matrix will display TW MEM ENTER 01.
NOTE
The main channel number will flash to indicate channel position.
If there is no input activity for 15 seconds, the radio will sound
three (3) beeps and return to GMRS or Marine Standby mode.
2. Use the Band button to select Marine or GMRS channels.
3. Press Channel Up/Down button to select the desired
Tri-Watch channel.
4. Press and release TRI-WATCH button or Call/Enter/Setup
button to confirm entry.
5. Repeat steps 2 and 3 to program the remaining additional
Tri-Watch memory channel.
6. After programming both Tri-Watch memory channels the
radio will immediately engage Tri-Watch mode.
Using Rewind-Say-Again
®
to Record VOICE Audio Transmission:
NOTE
If the record memory is locked (rewind icon flashing),
press and hold the REW button to unlock.
1. Press and hold SCAN button for two (2) seconds to
enter Record mode. The matrix will display MIC
RECORDER.
2. Press and hold PTT button to begin recording
from radio microphone. The transmitter will turn off.
The matrix will display MIC RECORDER ON and the
seconds remaining will be shown in the lower right
corner. If PTT button is released, recording stops. While
recording, a 20-second countdown begins on display.
When 20-second countdown time has ended, recording
stops and two (2) beep tones will be heard.
3. Press and hold SCAN button again for two (2) seconds
or press MEM/ESC button to cancel recording and
return to last operation.
SCAN Button Enter Record
MEMSAMEATIS VOX
LO MEDHI
VHF
T
R
A
B
GMRS
X
CIU
Mic Recorder
MEMSAMEATIS VOX
LO MEDHI
VHF
T
R
A
B
GMRS
X
CIU
Mic Recorder ON
HI
R
Band Button
HI
R
Tri-Watch Button
MRHH450DUAL_MANL_ENG_MRHH330_ENG_Body 1/24/14 11:28 AM Page 44
25


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