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ITEM PURPOSE
Volume/O
Volume Control/
Power Switch
Turn this control clockwise to turn on the
UBC355XLT unit. Continue turning this
control clockwise to adjust the volume.
SQ (Squelch)
Control
Adjust SQ to set the scan threshold. When
you are monitoring a single channel in
Scan Hold Mode, adjust SQ to eliminate the
background noise heard in the absence of an
incoming signal.
LCD The Liquid Crystal Display (LCD) shows the
current channel or its frequency. It also
displays mode, status, and bank indicators.
It utilizes a 7-segment LCD pattern for
character display. (Go to “Screens” on page
35 for more details.)