Uniden UBC9000XLT Scanner User Manual


 
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2. Think of the Squelch Control as a gate. Turn SQUELCH fully
counterclockwise. This raises the "Squelch Gate" so highthat no
signals can get through.
SQUELCH
@
StrongSignals
3. Turn SQUELCH fully clockwise until you hear a hiss.This lowers
the "Squelch Gate" so that everything gets through... noise,
weak signals, and strong signals.
SQUELCH
VOLUME
4. Turn SQUELCH back counter clockwise just until the hiss stops.
Now the "Squelch Gate" allows only strong signals through.
SQUELCH
@
StrongSignals
.
.
.
..
MediumSignals-
..
..
.
lOo
+
Noise-- -..- - - ..- - +
+
WeakSignals
9
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--...l..-
-:.-===
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..
r
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.
StrongSignals
.
.
..
MediumSignals
..
,.
WeakSignals----..-----....-.........
-
---..--- ..---..---..---..--..
Noise---..---..---.. ---..--..
---..---.. ---..---..---..--..
.......