Table of Contents
Advertisement
Quick Links
www.radioshack.com
OWNER'S MANUAL —
Please read before using this equipment.
OFF/VOLUME — Rotate towards
VOLUME to turn on your CB, and then
adjust to desired listening level. Rotate
towards OFF to turn off your CB.
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.
Connect the supplied
microphone here.
Mounting Bracket
Microphone Holder
Mounting hardware supplied
for the microphone holder
and CB.
Thank you for purchasing the RadioShack TRC521 CB Radio. It provides two-way
communication on the citizen's radio band and lets you tune to local and national weather
service broadcasts. It provides the maximum legal power output for the greatest available
range, and a built-in PLL (phase-locked loop) frequency synthesizer to reduce congestion.
CB radio provides hours of fun and entertainment! Listen and talk to people from all over the
country while traveling, and make new friends along routes that you regularly travel. It is also a
great way to keep informed of local emergencies, such as traffic accidents, road blocks,
weather alerts and so on.
If an icon appears at the end of a paragraph, go to the box on that page
with the corresponding icon for pertinent information.
o
— Warning
SM
SQUELCH — Rotate to reduce
background noise (CB sensitivity).
See Page 6.
DUAL WATCH/ALERT TONE OFF —
Press to activate dual watch (see
Page 11), or to silence weather alert
tones (see Page 10).
!
!
IMPORTANT
— Caution
TRC521 CB Radio
RF GAIN — Rotate to
improve signal reception in
strong signal areas. See
Page 6.
CHANNEL — Rotate to
tune to a channel.
UP/DN — Press or hold
down to scroll up or down
through channels.
Microphone
PTT — Push to talk. Hold down
and talk into the microphone
while transmitting.
©
2004 RadioShack Corporation.
All Rights Reserved.
RadioShack and RadioShack.com
are trademarks used by
RadioShack Corporation.
Ô
— Note
21-1711
Advertisement
Table of Contents
Related Manuals for Radio Shack TRC521 CB
Summary of Contents for Radio Shack TRC521 CB
- Page 1 Page 11), or to silence weather alert tones (see Page 10). Thank you for purchasing the RadioShack TRC521 CB Radio. It provides two-way communication on the citizen’s radio band and lets you tune to local and national weather service broadcasts. It provides the maximum legal power output for the greatest available range, and a built-in PLL (phase-locked loop) frequency synthesizer to reduce congestion.
-
Page 2: Table Of Contents
CONTENTS CB Radio Setup ... 2 Attach the Microphone Holder Mount the CB ... 2 Connect the Microphone ... 3 Connecting an Antenna ... 3 Connecting to Vehicle Battery Power ... 4 Connecting an Optional External Speaker ... 4 Using the CB as a Base Station . 5 Receiving and Transmitting ... -
Page 3: Connect The Microphone
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... -
Page 4: Battery Power
CAUTION • Avoid routing the cable next to sharp edges or moving parts, which might damage the cable. • Do not run the cable next to power cables or other radio antenna cables. • Do not run the cable through the engine compartment or other areas that produce extreme heat. -
Page 5: Using The Cb As A Base Station
USING THE CB AS A BASE STATION Although this CB is designed for mobile use, you can use it as a base station with an AC power source. Your local RadioShack store carries a wide selection of base station antennas, coaxial antenna cable, connectors, and base station power supplies. -
Page 6: Receiving And Transmitting
Ô Ô NOTE • Only rotate SQUELCH until the hissing stops. If you continue to rotate it clockwise, you will be unable to receive any signals. • You may want to purchase an SWR (Standard Wave Ratio) meter to measure your range and signal strength. -
Page 7: Using Common 10-Codes
3. To turn off the CB, turn OFF/VOLUME until it clicks. 10-C SING OMMON ODES Citizen’s Band operators have adopted 10-codes for standard questions and answers. These codes permit faster communication and better intelligibility in noisy areas. The more popular codes follow: Code 10-1 Receiving poorly. -
Page 8: Tips For Using Your Cb
This table lists the code meanings in the form of a statement. They can also be phrased as questions. For example, “10-6: Are you busy?”, “10-20: What is your location?”. TIPS FOR USING YOUR CB Like most activities, CB radio has its customs and courtesies. -
Page 9: Maximum Range
• Do not hold down when you are not talking. (This is called dead keying.) • Assist callers with directions, information about road conditions, and any other reasonable requests. AXIMUM ANGE Your CB radio’s transmission range is generally line-of- sight. The maximum range and quality of CB transmissions vary depending on the following conditions: •... -
Page 10: Listening To The Weather Band
Ô Ô NOTE • PTT does not work when CB/WX is set to WX. You can only send transmissions when in CB mode. • You cannot transmit while WX/ ALERT flashes in CB mode. • The alert tones for a Test and EAT (Emergency Action Termination) sound very similar. -
Page 11: Using Dual Watch
To silence the alert tones, press ALERT TONE OFF flashes until you switch to WX mode and listen to WX/ALERT the broadcast. Or press to silence the alert tones so stops flashing. Ô WX/ALERT To reduce the alert tone levels for subsequent alerts, hold down for about two seconds while ALERT TONE OFF... -
Page 12: Troubleshooting
TROUBLESHOOTING We do not expect you to have any problems with your CB, but if you do, the following suggestions might help. Symptom Make sure POWER is on. Make sure SQUELCH is adjusted properly. Be sure RF GAIN is fully clockwise. Trouble receiving. -
Page 13: Fcc Information
FCC INFORMATION The Federal Communications Commission (FCC) does not require you to have a license to operate this CB. However, the FCC does require that you read and know Part 95 of FCC Rules. These rules apply to the operation of a Class D Warning: Do not open your CB to make any internal adjustments. -
Page 14: Specifications
SPECIFICATIONS RECEIVER Frequency Response (1 kHz, 0 dB Reference) Lower, at 450 Hz ... –3 dB Upper, at 2500 Hz ... –3 dB Intermediate Frequency First IF ... 10.695 MHz Second IF ... 455 kHz Maximum Sensitivity ... 1 µV Sensitivity for 10 dB S/N ... -
Page 15: Accessories
Internal Speaker ... 16 Ohm, 5 Watts Dimensions (HWD) ... 1 inches (40 mm x 142 mm x 185 mm) Weight ... 2 lbs (930 g) Specifications are typical; individual units might vary. Specifications are subject to change and improvement without notice. ACCESSORIES Depending on how and where you plan to use your CB radio, the following accessories can be used with your CB... - Page 16 Limited Ninety-Day Warranty This product is warranted by RadioShack against manufacturing defects in material and workman- ship under normal use for ninety (90) days from the date of purchase from RadioShack company- owned stores and authorized RadioShack franchisees and dealers. EXCEPT AS PROVIDED HEREIN, RadioShack MAKES NO EXPRESS WARRANTIES AND ANY IMPLIED WARRANTIES, INCLUDING THOSE OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE LIMITED IN DURATION TO THE DURATION OF THE WRITTEN LIMITED WARRANTIES...