Uniden UH088SX - Manual (Page 11)

2. Think of the Squelch control as a gate. If you turn SQUELCH
fully clockwise it raises the "Squelch Gate so
that no signals get through.
3. If you turn the SQUELCH fully counter clockwise, it lowers the
"Squelch Gate" so that everything gets through - noise,
weak signals and strong signals.
4. To set the "Squelch Gate" to the desired level, turn SQUELCH
counterclockwise until you hear noise. Then turn the SQUELCH
clockwise just until the noise stops. Now only strong signals get through.
Operation
UNIDEN UHF CB Transceiver
1. To turn the unit ON, rotate volume clockwise.
Adjust volume to a comfortable level.
Setting the Squelch
9
You must select a
channel which is
not in use before
setting the SQUELCH
control.(see p.10)