Radio Shack Headphones 33 1234 User Guide

What’s Included  
IR Stereo Transmitter IR Stereo Headphone  
Infrared Wireless Stereo Headphones  
33-1234  
AC/DC Adapter 2 AAA Rechargeable Batteries  
1/8-inch jack to 1/4-inch Stereo Plug Adapter  
1/8-inch to Dual Phono Plugs Adapter  
Set Up Your Transmitter  
To use your wireless stereo headphones, you must connect your transmitter to an audio source, such  
Care  
as a television, home theater or CD player. Choose one of these connections.  
Transmitter  
Keep your transmitter and headphones dry; if they get wet, wipe them dry  
immediately. Use and store the transmitter and headphones only in room  
temperature environments. Handle your headphones and transmitter carefully; do  
not drop them. Keep your headphones and transmitter away from dust and dirt,  
and wipe them with a damp cloth occasionally to keep them looking new.  
Using a 1/8-inch Jack:  
If your headphones are not performing as they should, take them to your local  
RadioShack store for assistance. To locate your nearest RadioShack, use the  
800-The Shack (843-7422) and follow the menu options. Modifying or tampering  
with the headphone's internal components can cause a malfunction and might  
invalidate its warranty.  
1/4-inch  
Adapter  
Using the 1/4-inch  
Adapter:  
Power  
Indicator  
1/8-inch  
plug  
Using Left/Right Stereo Jacks:  
Phono Plug  
Adapter  
TV  
Connection  
Panel  
ON/OFF Switch  
Battery Cautions  
Use only fresh batteries of the required size and recommended type.  
Dispose of batteries promptly and properly. Do not burn or bury them.  
Use only rechargeable nickel-cadmium batteries. Do not use non-  
rechargeable batteries.  
Do not mix old and new batteries, different types of batteries (standard,  
alkaline, or rechargeable) or rechargeable batteries of different capacities.  
If you do not plan to use the unit for a month or more, remove the batteries.  
Batteries can leak chemicals that may destroy electronic parts.  
DC IN  
Jack  
Power Your Transmitter  
Insert the supplied AC adapter’s  
barrel plug into the DC IN jack on  
the back of the transmitter. Then,  
plug the other end into a standard  
AC outlet.  
Notes:  
Place the transmitter at the same height or slightly higher than the expected height of the  
headphone.  
Avoid placing your transmitter outdoors, near a window, or any place where sunlight might  
prevent optimum transmission.  
Do not point the transmitter directly towards a window.  
Do not place any object between the transmitter and the receiver that might block the infrared  
transmission.  
Warning: Using an adapter that  
does not supply 12 volts and  
delivers at least 200 mA, and  
does not have its center tip set to  
negative could damage your  
transmitter or adapter.  
Specifications  
Transmission Mode ............................................................Infrared Frequency Modulation  
Power Supply ....................................................................... Transmitter: 12V DC Adapter  
Headphones: 2 AAA Rechargeable Batteries  
AC Barrel  
Plug  
Power the Headphones  
Distortion ...............................................................................................................1% THD  
S/N Ratio ....................................................................................................................50dB  
Frequency Response .....................................................................................40-12000 Hz  
Carrier Frequency............................................................................Left Channel: 2.3 MHz  
Right Channel: 2.8 MHz  
Installing the Batteries  
Remove each ear pad, and insert a rechargeable AAA battery in each  
earpiece, matching the polarity (+ and -) inside.  
Operation  
1. Turn on your audio source and adjust its volume to the minimum position.  
Operation Distance......................................................................................25 Feet (7.6m)  
Specifications are typical. Individual units may vary. Specifications are subject to change and  
improvement without notice. Actual product might vary from the images in this document.  
Charging the Headphone’s Batteries  
2. Turn on your transmitter and headphones, and turn the earpiece’s volume down to  
its lowest level.  
3. Put on your headphones and adjust the volume on both your audio source and  
headphones to a comfortable listening level.  
4. When finished, turn your headphones and transmitter off.  
Notes:  
• If you do not hear sound, make sure your transmitter is correctly plugged into your  
audio source.  
Make sure your batteries are charged for at least 16 hours before use.  
You must charge your headphone’s batteries for at least 16 hours before using them the first time and  
when you replace the batteries.  
1.Turn the transmitter off, and insert the  
transmitter’s charging cord into the CHARGE  
jack on the headphone’s earpiece.  
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 pur-  
chase 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 PUR-  
POSE, 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, PROP-  
ERTY, REVENUE, OR PROFIT OR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, EVEN IF RadioShack HAS BEEN ADVISED  
OF THE POSSIBILITY OF SUCH DAMAGES.  
2.Turn the transmitter back on when finished,  
and disconnect the charging cord.  
POWER  
ON/OFF  
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 lim-  
itations or exclusions may not apply to you.  
Note: Do not charge the batteries longer than  
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 expira-  
tion 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 fol-  
low instructions, improper installation or maintenance, alteration, lightning or other incidence of excess voltage or current; (b) any repairs other than those pro-  
vided 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.  
24 hours. This could reduce battery  
performance.  
Charging  
Indicator  
®
ON/OFF  
ON/OFF  
Important: The EPA certified RBRC Battery  
Recycling Seal on the nickel-cadmium (Ni-Cd)  
battery indicates RadioShack is voluntarily  
participating in an industry program to collect and  
recycle these batteries at the end of their useful life,  
when taken out of service in the United States or  
Canada. The RBRC program provides a convenient  
alternative to placing used Ni-Cd batteries into the  
trash or the municipal waste stream, which may be illegal in your area.  
Please call 1-800-THE-SHACK (1-800-843-7422) for information on Ni-  
Cd battery recycling and disposal bans/restrictions in your area.  
RadioShack’s involvement in this program is part of the company’s  
commitment to preserving our environment and conserving our natural  
resources.  
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  
12/99  
Charging  
Cord  
©2004. RadioShack Corporation.  
All Rights Reserved.  
RadioShack and RadioShack.com are trademarks  
used by RadioShack Corporation.  
33-1234  
Printed in China  
03A04  
Volume Control  
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