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Radio Shack TRC521 CB Quick Start Manual page 2

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Step Six
Receiving and Transmitting
We recommend you try receiving transmissions
before you transmit.
Receiving
1. Rotate OFF/VOLUME towards OFF until it
clicks to turn off the CB.
2. Slide CB/WX to CB.
3. Rotate SQUELCH fully counterclockwise.
4. Rotate RF GAIN fully clockwise.
5. Rotate OFF/VOLUME clockwise to turn on
the CB. The display lights and the channel
number appears. An alert sounds if a
weather alert signal is detected.
6. To decrease CB sensitivity so you do not
hear weak, distant signals, slowly rotate
SQUELCH clockwise until the hissing stops.
To increase sensitivity and to receive very
weak signals, rotate SQUELCH
counterclockwise.
7. Rotate RF GAIN clockwise to optimize
reception (incoming signal strength). Or,
rotate it counterclockwise to decrease signal
strength.
8. To tune to a channel, rotate CHANNEL on
the radio, or press UP or DN on the
microphone. To quickly scroll through
channels in either direction, hold down UP or
DN until you reach the desired channel.
9. Adjust VOLUME to a comfortable listening
level.
10. To turn off the CB, rotate OFF/VOLUME
counterclockwise to OFF until it clicks.
Transmitting
1. To transmit, hold down PTT on the
microphone. Hold the microphone about 2–3
inches from your mouth and speak in a
normal tone of voice. TX lights to indicate
transmission.
2. When you finish transmitting, release PTT.
TX turns off.
3. To turn off the CB, turn OFF/VOLUME
counterclockwise to OFF until it clicks.
Step Seven
Listening to the Weather Band
The National Oceanic and Atmospheric Administration (NOAA) broadcasts
local forecast and regional weather information on one or more of seven
channels in the US. Your CB is preprogrammed with all seven frequencies.
Channel
Frequency (MHz)
WX1
162.400
WX2
162.425
WX3
162.450
WX4
162.475
WX5
162.500
WX6
162.525
WX7
162.550
To listen to a weather broadcast, slide CB/WX to WX. Rotate CHANNEL
to select a frequency.
Usage Tips
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. This will enable you
to adjust your antenna for maximum range, and determine the
best position for RF GAIN. See your SWR meter owner's manual
for instruction on how to use it.
You cannot transmit when CB/WX is set to WX.
Because of atmospheric conditions, you may receive signals that
do not contain information relevant to the emergency level. This
is normal.
The radio sounds an alert regardless of the channel setting.
The CB will not sound an alert while you are transmitting.
If you are in a rural or fringe area, your radio might be triggered
by an alert broadcast in one area, but not be triggered if you
travel to another area (even close by).
Most 12-volt DC power supplies 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.
Common 10-Codes
Citizen's Band users have adopted the following
codes for standard questions and answers.
Code
Frequency
10-1
Receiving poorly.
10-2
Receiving well.
10-3
Stop transmitting.
10-4
OK, message received.
10-5
Relay message.
10-6
Busy, please stand by.
10-7
Out of service.
10-8
In service
10-9
Repeat message.
10-10
Transmission completed,
standing by.
10-11
Talking too rapidly.
10-12
Visitors present.
10-13
Advise Weather/Road conditions.
10-17
Urgent business.
10-18
Anything for us?
10-19
Nothing for you. Return to base.
10-20
My location is____.
10-21
Call by telephone.
10-22
Report in person to____.
10-23
Please stand by.
10-25
Can you contact____.
10-26
Disregard last information.
10-27
I am moving to channel____.
10-28
Identify your station.
10-32
I will give you a radio check.
10-33
Emergency traffic.
10-36
Correct time is____.
10-37
Wrecker needed at____.
10-38
Ambulance needed at______
10-41
Please turn to channel_____.
10-42
Traffic accident at_____.
10-43
Traffic tie-up at____.
10-50
Break channel.
10-62
Unable to copy; use telephone.
10-70
Fire at_____.
Accessories
Depending on how and where you plan to use your CB radio, the
following accessories can be used with your CB radio for enhanced
fuctionality and power. Visit your local RadioShack store to browse
for a variety of CB accessories.
CB Antenna
SWR Meter
8-ohm External Speaker
12V DC Power Supply
Base Station Antenna
Coaxial Antenna Cable and Connectors
Antenna Connectors
2-Amp Glass Fuse (for fuse replacement)
Limited 90-Day Warranty
This product is warranted by RadioShack against manufacturing defects in material and workmanship 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 CONTAINED HEREIN. EXCEPT AS PROVIDED HEREIN, RadioShack
SHALL HAVE NO LIABILITY OR RESPONSIBILITY TO CUSTOMER OR ANY OTHER PERSON OR ENTITY
WITH RESPECT TO ANY LIABILITY, LOSS OR DAMAGE CAUSED DIRECTLY OR INDIRECTLY BY USE
OR PERFORMANCE OF THE PRODUCT OR ARISING OUT OF ANY BREACH OF THIS WARRANTY,
INCLUDING, BUT NOT LIMITED TO, ANY DAMAGES RESULTING FROM INCONVENIENCE, LOSS OF
TIME, DATA, PROPERTY, REVENUE, OR PROFIT OR ANY INDIRECT, SPECIAL, INCIDENTAL, OR
CONSEQUENTIAL DAMAGES, EVEN IF RadioShack HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.
Some states do not allow limitations on how long an implied warranty lasts or the exclusion or limitation of
incidental or consequential damages, so the above limitations or exclusions may not apply to you.
In the event of a product defect during the warranty period, take the product and the RadioShack sales receipt
as proof of purchase date to any RadioShack store. RadioShack will, at its option, unless otherwise provided
by law: (a) correct the defect by product repair without charge for parts and labor; (b) replace the product with
one of the same or similar design; or (c) refund the purchase price. All replaced parts and products, and
products on which a refund is made, become the property of RadioShack. New or reconditioned parts and
products may be used in the performance of warranty service. Repaired or replaced parts and products are
warranted for the remainder of the original warranty period. You will be charged for repair or replacement of the
product made after the expiration of the warranty period.
This warranty does not cover: (a) damage or failure caused by or attributable to acts of God, abuse, accident,
misuse, improper or abnormal usage, failure to follow instructions, improper installation or maintenance,
alteration, lightning or other incidence of excess voltage or current; (b) any repairs other than those provided
by a RadioShack Authorized Service Facility; (c) consumables such as fuses or batteries; (d) cosmetic
damage; (e) transportation, shipping or insurance costs; or (f) costs of product removal, installation, set-up
service adjustment or reinstallation.
This warranty gives you specific legal rights, and you may also have other rights which vary from state to state
RadioShack Customer Relations, 200 Taylor Street, 6th Floor, Fort Worth, TX 76102
©2004. RadioShack Corporation.
All Rights Reserved.
RadioShack and RadioShack.com are trademarks
used by RadioShack Corporation.
12/99
21-1711
Printed in China
01A04
UTZZ69368ZZ

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