Radio Shack Two Way Radio TRC 512 User Guide

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Cat. No. 21-412  
OWNER’S MANUAL  
Please read before using this equipment  
TRC-512  
5-Channel 49 MHz  
FM Walkie-Talkie  
 
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Belt Clip — lets you attach the TRC-512 securely to  
your belt or pocket for hands-free carrying.  
Dual-Conversion Superheterodyne Circuitry —  
provides clean, clear reception.  
Note: To power your TRC-512, you need one 9 volt  
alkaline battery (not supplied).  
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PREPARATION  
INSTALLING THE BATTERY  
Your TRC-512 uses one 9 volt battery (not supplied)  
for power. For the longest life and best performance,  
we recommend you use an alkaline battery such as  
RadioShack Cat. No. 23-553.  
Caution:  
Use only a fresh battery of the required  
size and type.  
Follow these steps to install the battery.  
Fig. 1  
1. Slide the battery compartment cover in the  
direction of the arrow to remove it.  
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2. Snap the battery onto the battery connector  
inside the compartment. The connector only  
fits on the battery one way.  
3. Replace the cover.  
When the low battery indicator lights, replace the  
battery.  
Cautions:  
• Always remove an old or weak battery. Batter-  
ies can leak chemicals that can destroy elec-  
tronic parts.  
• Dispose of old batteries promptly and properly.  
Do not bury or burn them.  
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INSTALLING THE BELT CLIP  
Your TRC-512 comes with a clip you can use to  
hook the transceiver onto your belt or pocket. To in-  
stall the clip, slide it into the slot on the back of the  
transceiver until it locks into place. To remove it, lift  
up the locking tab and slide the clip out.  
Fig. 2  
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OPERATION  
1. Fully extend the antenna.  
Fig. 3  
2. Turn on the transceiver by rotating the volume  
control up until it clicks.  
Fig. 4  
3. Turn the channel selector to tune to the desired  
channel.  
Fig. 5  
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4. To transmit, press PUSH TO TALK and speak  
into the microphone from about three inches  
away. To transmit an alert tone to another  
transceiver on the selected frequency, press  
the call button.  
Fig. 6  
5. Release PUSH TO TALK when you finish speak-  
ing.  
6. Adjust the volume control to the most comfort-  
able listening level.  
Fig. 7  
7. Rotate the volume control down until it clicks to  
turn off the transceiver.  
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CARE AND MAINTENANCE  
Your RadioShack TRC-512 5-Channel 49 MHz FM  
Walkie Talkie is an example of superior design and  
craftsmanship. The following suggestions will help  
you care for your TRC-512 so you can enjoy it for  
years.  
Keep the TRC-512 dry. If it gets wet,  
wipe it dry immediately. Liquids might  
contain minerals that can corrode the  
electronic circuits.  
Use and store the TRC-512 only in  
normal temperature environments.  
Temperature extremes can shorten  
the life of electronic devices, damage  
batteries, and distort or melt plastic  
parts.  
Keep the TRC-512 away from dust  
and dirt, which can cause premature  
wear of parts.  
Handle the TRC-512 gently and care-  
fully. Dropping it can damage circuit  
boards and cases and can cause the  
TRC-512 to work improperly.  
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Use only a fresh battery of the required  
size and recommended type. Batteries  
can leak chemicals that damage your  
TRC-512’s electronic parts.  
Wipe the TRC-512 with a damp cloth  
occasionally to keep it looking new. Do  
not use harsh chemicals, cleaning sol-  
vents, or strong detergents to clean  
the TRC-512.  
Modifying or tampering with the TRC-512’s internal  
components can cause a malfunction and might in-  
validate your TRC-512’s warranty and void your  
FCC authorization to operate it. If your TRC-512 is  
not performing as it should, take it to your local Ra-  
dioShack store for assistance.  
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THE FCC WANTS YOU TO KNOW  
Your TRC-512 might cause TV or radio interference  
even when it is operating properly. To determine  
whether your TRC-512 is causing the interference,  
turn off your TRC-512. If the interference goes  
away, your TRC-512 is causing it. Try to eliminate  
the interference by:  
• Moving your TRC-512 away from the receiver.  
• Contacting your local RadioShack store for  
help.  
If you cannot eliminate the interference, the FCC re-  
quires that you stop using your TRC-512.  
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SPECIFICATIONS  
GENERAL  
Operating Frequencies ................. (A) 49.830 MHz  
(B) 49.845 MHz  
(C) 49.860 MHz  
(D) 49.875 MHz  
(E) 49.890 MHz  
Input Voltage ............................................... 9V DC  
Current Drain .................... 130 mA max. (Receive)  
50 mA max. (Transmit)  
30 mA max. (Standby)  
Dimensions (HWD) ........... 11/5 × 23/5 × 59/10 inches  
(31 × 66 × 150 mm)  
Weight ......................... (with battery) 7.4 oz (210g)  
(without battery) 6 oz (170g)  
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RECEIVER  
Sensitivity (20 dB quieting) .......................... 0.5 µV  
Squelch Sensitivity Threshold ...................... 0.5 µV  
Modulation Acceptance Bandwidth ............. ±7 kHz  
Spurious and Image Rejection ............... 20 dB min  
Frequency Stability (0°C to 40°C) ............... ±1 kHz  
TRANSMITTER  
RF Energy Output .............................. 10,000 µV/m  
@3 meters (FCC max)  
Spurious and Harmonic Emissions ....... 20 dB min.  
FM Hum and Noise ............................... 40 dB min.  
Audio Distortion ..................................... 10% max.  
Frequency Stability (0°C to 40°C) ............... ±1 kHz  
Specifications are typical; individual units might  
vary. Specifications are subject to change and im-  
provement without notice.  
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NOTES  
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Limited Ninety-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 deal-  
ers. 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, Ra-  
dioShack SHALL HAVE NO LIABILITY OR RESPONSIBILITY TO  
CUSTOMER OR ANY OTHER PERSON OR ENTITY WITH RE-  
SPECT TO ANY LIABILITY, LOSS OR DAMAGE CAUSED DI-  
RECTLY OR INDIRECTLY BY USE OR PERFORMANCE OF  
THE PRODUCT OR ARISING OUT OF ANY BREACH OF THIS  
WARRANTY, INCLUDING, BUT NOT LIMITED TO, ANY DAM-  
AGES 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 POSSIBIL-  
ITY OF SUCH DAMAGES.  
Some states do not allow the limitations on how long an implied  
warranty lasts or the exclusion of incidental or consequential dam-  
ages, 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 pur-  
chase date to any RadioShack store. RadioShack will, at its op-  
tion, 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 perfor-  
mance of warranty service. Repaired or replaced parts and prod-  
ucts are warranted for the remainder of the original warranty  
period. You will be charged for repair or replacement of the prod-  
uct made after the expiration of the warranty period.  
This warranty does not cover: (a) damage or failure (continued)  
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(continued) caused by or attributable to acts of God, abuse, acci-  
dent, misuse, improper or abnormal usage, failure to follow in-  
structions, 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 adjust-  
ment 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, Dept. W, 100 Throckmorton St.,  
Suite 600, Fort Worth, TX 76102  
We Service What We Sell  
03/97  
RadioShack  
A Division of Tandy Corporation  
Fort Worth, Texas 76102  
936877AA  
4A8  
Printed in Thailand  
 

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