Operation; Receiving Transmissions And Adjusting Squelch; Transmitting - Radio Shack TRC-239 Owner's Manual

21-1628.fm Page 15 Tuesday, January 25, 2000 9:30 AM

OPERATION

Before you start using your TRC-239, we recom-
mend you read "CB Operation Tips" on Page 17,
which contains information to help you use the TRC-
239 effectively and courteously.
RECEIVING TRANSMISSIONS
AND ADJUSTING SQUELCH
Caution: Before receiving or transmitting, always
connect the antenna.
1. Rotate fully towards the top of the CB.
SQUELCH
2. Rotate toward the bottom of the CB
VOLUME
until it clicks. The CB turns on and a channel
appears. Increase the volume to a comfortable
listening level. (You might hear a hiss if there is
no signal on the selected channel.)
9
8
3. Press or
CH
appears on the display. To move rapidly through
the channels, hold down
4. Rotate toward the bottom of the TRC-
SQUELCH
239 until any hiss just stops. This lets you hear
transmissions without background noise. Rotat-
ing the control further decreases the TRC-239's
sensitivity to incoming signals.
5. To turn off the TRC-239, rotate
until it clicks.

TRANSMITTING

1. Follow Steps 1–4 in "Receiving Transmissions
and Adjusting Squelch."
until the desired channel
9
8
or .
upward
VOLUME
15