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Basic Operation
Turn the Scanner On
Turn the VOLUME control clockwise out of the detent position. The scanner automatically
starts scanning. Since there are no frequencies programmed in your scanner initially, you
may not receive any signals. Once you set the squelch and program some frequencies, you
will be hearing conversations regularly.
Note: If you turn the Scanner on when the optional APCO Cord is not installed, APCO
P25 CARD NOT INSTALLED appears on the display. To delete the message,
select 2:DISABLE in the Menu mode (see page 69).
Setting the Squelch
To set the squelch, you must be in the hold mode, and you should not be receiving a signal
on your scanner.
1. Press ▲/HOLD until you do not hear a signal.
2. Make sure that the VOLUME is set to a comfortable
listening level.
3. Think of the Squelch Control as a gate.
Turn the SQUELCH control fully counter-clockwise.
This raises the "Squelch Gate" so high that only very strong
signals can get through.
4. Turn SQUELCH clockwise until you hear a hiss. This lowers the
"Squelch Gate" so that everything gets through – noise, weak
signals, medium signals and strong signals.
5. Turn SQUELCH back counter-clockwise just until the hiss stops.
Now the "Squelch Gate" allows only clear signals through.
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STRONG SIGNALS
MEDIUM SIGNALS
WEAK SIGNALS
NOISE
STRONG SIGNALS
MEDIUM SIGNALS
WEAK SIGNALS
NOISE
STRONG SIGNALS
MEDIUM SIGNALS
WEAK SIGNALS
NOISE
BC785D 11/8/2 1:01 PM Page 17