User's Manual

Introduction
Nothing comes close to a Cobra
®
Product Features
39
38
English
Product Features
Introduction
Squelch
Squelch control filters weak signals and radio frequency
noise so that you can more clearly hear the signals you
want. You can think of it as a variable barrier that blocks
what you don’t want to hear.
To Squelch Your Radio:
1.
With the Squelch knob turned fully counter-clockwise,
turn the
On-Off/Volume knob clockwise until you hear a
hissing (noise) sound.
NOTE
The Volume Up/Down buttons on the microphone/
speaker cannot be used in the
Squelch process.
You must use the
On-Off Power/Volume knob.
2. Turn the Squelch knob clockwise until the hissing
sound stops.
Turning the
Squelch further clockwise (higher bearier)
will filter weak and medium strength signals until only
the strongest signal can get through at the highest
Squelch setting.
To Receive Weaker Signals:
1.
Turn the Squelch knob counterclockwise (lower bearier).
If the
Squelch is set so that you can hear a continuous
hissing sound, the
Scan and Tri-Watch functions will
be blocked.
Standby and Receive
Standby is the usual mode for the radio whenever it is turned On.
From Standby Mode, You Can:
■
Change your radio’s settings using Set-Up Routines.
■
Receive messages on the current channel as well
as DSC messages.
■
Receive NOAA alerts if Weather Alert mode is turned On.
■
Switch to Transmit mode using the Talk button.
NOTE
Coast Guard alerts are broadcast on Channel 16 and DSC Channel 70. You need
to monitor Channel 16 to hear the alerts, then switch to Channel 22 to hear
those warnings. DSC warnings will sound the Geographical Call Alarm and
automatically switch your radio to Channel 22 to hear the warning.
While the radio is in
Standby mode, the Receive mode is entered whenever a
strong enough signal to break
Squelch is sent to the radio. You will hear the
message through whichever speakers are connected to the radio.
To Change The Channel You Are Listening To,
You Can Choose One Of The Following:
a.
Press the Up/Down buttons. This will take you to the
next higher or lower VHF channel. (When on Channel
88A, the next higher channel is Channel 1 and vice
versa.) For rapid advance, press and hold the
Up or
Down button. (The Confirmation Tone will sound
only for the button press, not during rapid advance.)
b. Press the Channel 16/9 button. This will take you to
Channel 16 with one press and to Channel 9 with a
second press. Additional presses will toggle between
Channels 16 and 9. Press and hold the
Channel 16/9
button to return to Standby mode.
c. Press the Weather/UIC button. This will toggle the radio
between
Standby and Weather Radio modes. When in
Weather Radio mode, the Up/Down buttons will change
the Weather Channel.
Up/Down Buttons
Channel 16/9 Button
Weather/UIC Button
Squelch Knob
Turn Till Hissing Sound
Lower Bearier
Turn Till Hissing Stops
Standby Mode