Cobra MRF77, Manual

Page: 2 / 23

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Advanced Operation
Cobra
®
has incorporated several features in your CobraMarine VHF radio to give you quick
access to the voice calling channels and to let you monitor more than one (1) channel at
once.
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When NOAA broadcasts a Weather Alert Signal and your radio is in the Weather Alert mode,
you will hear a continuous audible tone and the radio will automatically switch to
Weather
Radio mode. The alert indicators will sound regardless of what channel you are operating on
as soon as a NOAA alert signal is received.
When You Hear The Alert:
1. Press any key to turn Off the alert alarm and LCD indicator.
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This function gives you quick access to calling Channel 16 or Channel 9 from any
operational mode.
To Switch To Channel 16 Or Channel 9:
1.
Press the Channel 16+ button to change to Channel 16 from
any channel.
2.
Press the Channel 16+ button again to change to Channel 9.
Additional presses of the Channel 16+ button will toggle back to
the original channel and between channels 16 and 9.
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Tri-Watch gives you one (1) soft key access to scan the three (3) channels of most importance
to you. Channel 16 and Channel 9 will always be included as scanned channels. The
remaining channel will be the VHF channel in effect when you enter
Tri-Watch
mode.
NOTE
The radio must be squelched for tri-watch to function. See page 26 for
squelch procedure.
To Enter Tri-Watch Mode:
1.
In
Standby
mode, use the
Up/Down buttons
to go to the
channel you want to add as the third location to be scanned.
2.
Press the
Tri-Watch soft key
.
Tri-watch will be indicated on the LCD and the radio will scan
between Channel 16, Channel 9, and the third tri-watch channel
you selected. A signal on any one (1) of the three (3) channels
will stop the scan to allow you to listen to the traffic on the
channel. The channel number will be displayed on the LCD.
To Exit Tri-Watch Mode:
1.
Press the
Tri-Watch
soft key. The radio will return to
Standby
mode
During Tri-Watch (while receiving an incoming transmission),
You Can Choose From The Following:
a. Press the Talk button to remain on that tri-watch channel and
return to
Standby
mode.
If you do not press any buttons, your radio will automatically
resume scanning tri-watch channels when the incoming
transmission is complete.
During Tri-Watch (while not receiving a transmission):
a. Press the Talk button to communicate on the last tri-watch
channel scanned and return to
Standby
mode.
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