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3. Turn on the TRC-235 by turning
OFF/
VOLUME
clockwise until you hear a
click and a hissing sound.
Note:
You might not hear a hissing
sound if
CHANNEL
is set to
B
or
C
and you haven’t installed any crys-
tals in channel positions B or C.
4. Adjust
OFF/VOLUME
to a comfortable
listening level.
5. Adjust
SQUELCH
to cut out the back-
ground noise. To do this, wait until
there is no signal on the channel.
Then slowly turn
SQUELCH
clock-
wise until the background noise
stops.
Note
: Do not turn
SQUELCH
too far
clockwise because you might also
cut out weak signals.
6. To turn off the TRC-235, turn
OFF/
VOLUME
toward
OFF
until it clicks.
21-1620.fm Page 18 Thursday, August 5, 1999 11:16 AM