Racing Electronics SC200 - Manual (Page 11)

Controls and Indicators
Top View
Antenna
Connector Connect the rubber antenna to the BNC
connector and turn clockwise until it locks.
Earphone
Jack Plug the supplied earphone into this jack for
private listening. When the earphone is
connected, the internal speaker is
disconnected.
Note the warning on page 16.
SQUELCH
Control 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 Overview Section
for adjustment procedures.
ON-OFF/
VOLUME
Control Use this control to turn the scanner on or
off, and to adjust the volume.
VFO Control Use this control to select channels in
Manual mode, select the band for Band
Search, and select frequencies in
Band/Limit Search mode. You can also use
this to program Alpha Name characters and
CTCSS/CDCSS Data.
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