Cobra Electronics Corporation MRF77 Manual De Usuario

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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:

Press any key to turn Off the alert alarm and LCD indicator.

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:

Press the Channel 16+ button to change to Channel 16 from

any channel.

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:

In Standby mode, use the Up/Down buttons to go to the

channel you want to add as the third location to be scanned.

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:

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:

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):

Press the Talk button to communicate on the last tri-watch

channel scanned and return to Standby mode.