Uniden BC 235XLT - Manual (Page 11)

4. 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.
5. Turn SQUELCH back counter-clockwise just until the
hiss stops. Now the “Squelch Gate” allows only
strong signals through.
Strong Signals
Medium Signals
Weak Signals
Noise
PHONE SQUELCH VOLUME
Strong Signals
Medium Signals
Weak Signals
Noise
PHONE SQUELCH VOLUME
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