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8
USING THE CB AS A
BASE STATION
Although this CB is designed for mobile
use, you can also use it as a base sta-
tion. For base-station installation, you
need a regulated 12-volt DC power sup-
ply, such as Cat. No. 22-504 available at
your local RadioShack store.
Caution:
Most 12-volt DC power sup-
plies plug into a standard AC outlet to
produce DC power. Before connecting
your CB to a 12-volt DC power supply,
read and follow the instructions included
with the power supply.
You also need a base station antenna
and coaxial antenna cable and connec-
tors. Your local RadioShack store also
carries a wide selection of suitable an-
tennas, cables, and connectors.
Follow these steps to install the CB as a
base station.
1. Mount the base station antenna as
described in its owner's manual.
Warning:
Use extreme caution
when you install or remove a base
station CB antenna. If the antenna
starts to fall, let it go! It could contact
overhead power lines. If the antenna
touches the power line, contact with
the antenna, mast, cable, or guy
wires can cause electrocution and
death. Call the power company to
remove the antenna. DO NOT
attempt to do so yourself.
2. Route the antenna cable to the CB,
then connect the cable to
ANTENNA
on the back of the CB.
3. Plug the single connector end of the
power cord into
POWER 13.8V DC
on the CB's back panel.
4. Connect the black wire to the DC
power supply's negative (–) termi-
nal.
5. Connect the red wire and orange
wires, with in-line fuses, to the DC
power supply's positive (+) terminal.
Note:
Due to the lack of a constant
12VDC, as in an automotive installation,
if you turn off the DC power supply, the
CB “remembers” the last channel you
tuned for only a few minutes. When you
turn on the CB and the DC power supply
again, the radio automatically tunes to
Channel 9.
CONNECTING OPTIONAL
EXTERNAL SPEAKERS
You can connect an external CB or PA
speaker to your CB. The larger, external
speaker provides greater clarity. A PA
speaker lets you take advantage of the
amplifier and mic to use the CB as a
public-address system.
External CB Speaker
To connect an external CB speaker,
use a speaker rated at 8-ohms and ca-
pable of handling 3–10 watts of power
(such as Cat. No. 21-549). Simply plug
the speaker cable's
1
/
8
-inch plug into
EXT SP. Connecting the external speak-
er automatically disconnects the inter-
nal speaker.
21-1574.fm Page 8 Thursday, May 13, 1999 4:03 PM