Uniden UBC220XLT Scanner User Manual


 
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Controls and Indicators
Antenna
Connector
Earphone
Jack
SQUELCH
Control
ON-OFF!
VOLUME
Control
Top View
Connect the rubber antenna to this BNC
connector and turn clockwise until it locks.
Plug the supplied earphone into this jack for
private listening. When the earphone is
connected, the internal speaker is
disconnected.
Note the warning on the Inside Front Cover
and on page 11. -
Adjust this control to set the scan threshold
and to eliminate the background rushing
noise heard in the absence of an incoming
signal. See the Operation Section for
adjustment procedure.
Use this control to turn the scanner on or off,
and to adjust the volume.
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