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23
OPERATION
TURNING ON THE SCANNER AND
SETTING SQUELCH
Note:
Make sure an antenna is connected to the scanner before you
turn it on.
1. Turn
SQUELCH
fully counterclockwise.
2. Turn
VOLUME
clockwise until it clicks and you hear a hissing
sound.
3. Turn
SQUELCH
clockwise, then leave it set to a point just after the
hissing sound stops.
Notes:
• If you have not stored frequencies into any channels, the scanner
does not scan.
• If the scanner picks up unwanted, partial, or very weak transmis-
sions, turn
SQUELCH
clockwise to decrease the scanner's sensitiv-
ity to these signals. If you want to listen to a weak or distant
station, turn
SQUELCH
counterclockwise.
•If
SQUELCH
is adjusted so you always hear a hissing sound, the
scanner does not scan properly.
PRO-74
SQUELCH
VOLUME
OFF
PRO-74
SQUELCH
VOLUME
OFF
20-513.fm Page 23 Wednesday, August 4, 1999 2:39 PM