21-412.fm Page 1 Thursday, August 5, 1999 3:41 PM
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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21-412.fm Page 3 Thursday, August 5, 1999 3:41 PM
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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21-412.fm Page 4 Thursday, August 5, 1999 3:41 PM
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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21-412.fm Page 5 Thursday, August 5, 1999 3:41 PM
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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21-412.fm Page 8 Thursday, August 5, 1999 3:41 PM
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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21-412.fm Page 9 Thursday, August 5, 1999 3:41 PM
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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21-412.fm Page 10 Thursday, August 5, 1999 3:41 PM
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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21-412.fm Page 12 Thursday, August 5, 1999 3:41 PM
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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21-412.fm Page 16 Thursday, August 5, 1999 3:41 PM
(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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