Radio Shack TRC521 CB Quick Start Manual

SQUELCH — Rotate to reduce background noise (CB sensitivity).
TRC521 CB Radio
OFF/VOLUME — Rotate towards VOLUME (clockwise) to
turn on your CB, and then adjust to desired listening level.
21-1711
Rotate towards OFF (counterclockwise) to turn off your CB.
Quick Start Guide
for installing, setting up and using your new product
CB/WX — Slide to CB to use and listen to citizen's band radio.
Slide to WX to listen to local and national weather broadcasts.
Step One
Connect the supplied microphone here.
Attach Microphone Holder
You can attach the microphone holder
horizontally or vertically to either side of the CB
as shown.
Vertical
Horizontal
Microphone
Holder
To attach the microphone holder somewhere
else, follow these steps.
1. Use the microphone holder as a template
to mark the positions for the mounting
screws at the desired mounting location.
2. Drill a hole at the marked position. Do not
drill into anything behind the mounting
surface.
3. Attach the microphone holder to the
mounting surface using the supplied
(small) machine screws and lockwashers.
Step Two
Microphone
Jack
Connect the Microphone
1. Align the holes
inside the
microphone's plug
with the pins in
the microphone
jack and insert the
plug.
2. Turn the plug's
Locking
locking nut
Microphone Plug
Nut
clockwise to
secure it.
3. Slide the microphone onto the holder.
4. To disconnect the microphone, unscrew the
locking nut and pull the microphone plug
toward you. Do not pull the microphone
cable.
Mounting Bracket
Step Three
Mount the CB
Find a convenient location in your vehicle to mount your CB. If you are
uncomfortable mounting the CB yourself, consult with your vehicle service
o
center or automotive dealer for assistance.
Select a mounting location where:
• you can easily reach the CB.
• wires and cables are clear of the vehicle's pedals or other moving
parts.
• the CB is not directly in front of heating vents.
• all wires and cables can reach their connection points.
1. Use the mounting bracket as a template to mark the positions for the
screws on the mounting surface.
2. At the marked positions, drill a hole slightly smaller than the mounting
screws. Do not drill into objects behind the mounting surface.
3. Secure the mounting bracket to the mounting surface with the
supplied screws and lockwashers.
Screws and Lockwashers
Mounting
Knobs
Rubber
Washers
4. Attach the CB to the mounting bracket with the supplied rubber
washers and mounting knobs.
o o
WARNING
Mount the CB securely to avoid damage to the CB or vehicle, and to
avoid injury to anyone in the vehicle during sudden starts or stops.
Mounting hardware supplied for the
microphone holder and your CB.
Step Four
Connect an Antenna
There are many different types of CB antennas for mobile
CBs. Each type has its own benefits, so choose the one that
best meets your needs. Your local RadioShack sells a wide
variety of antennas. When choosing an antenna, keep in mind
that for the best performance you should mount the antenna:
Mounting Bracket
• as high as possible in the vehicle.
• as far as possible from sources of electrical noise.
• vertically.
Step Five
Connect to Vehicle Battery Power
1. Connect the CB's red POWER wire to a terminal in your vehicle's fuse box that has power only when the ignition is in the
ACC (accessory) or ON position.
2. Connect the CB's black POWER wire to a metal part of the vehicle's frame (chassis ground). Do not connect the black wire
to a non-metallic (plastic) part, or to any part insulated from the vehicle's chassis by a non-metallic part.
RF GAIN — Rotate to improve signal
reception in strong signal areas.
DUAL WATCH/ALERT TONE OFF —
Press to activate dual watch while in
CB mode, or to silence weather alert
tones. See Page 11 in your owner's
manual.
CHANNEL — Rotate to tune to a
channel.
UP/DN — Press or hold down to scroll
up or down through channels.
Microphone
Microphone Holder PTT — Push to talk. Hold down and talk into the
microphone while transmitting.
1. Follow the antenna's mounting instructions.
2. Route the antenna cable to the CB radio and connect it to
the ANT. jack.
ANT. Jack
Antenna Cable
Black/red
POWER
wires