33-1197 Rechargeable Analog Wireless Stereo Headphones Thank you for purchasing RadioShack Rechargeable Analog Wireless Stereo Headphones. It is designed with PLL (Phase-Locked Loop) circuitry and built-in antenna for precise tuning. It uses the 900MHz band to deliver high-quality stereo sound to almost anywhere in or around your home, up to 150 feet away from your stereo. You need to power the transmitter by the supplied 12V, 250mA AC/DC adapter when you use the headphones. Plug the supplied AC adapters barrel plug into the transmitters DC IN 12V jack, then plug the adapter into a standard AC outlet. Note Use only 12V DC,250mA AC/DC adapter to power the transmitter. Always connect the AC/DC adapter to the transmitter before you connect it to AC power. When you nish, disconnect the adapter from AC power before you disconnect it from the transmitter. transmitter 12V, 250mA AC/DC adapter Installing the batteries The headphones requires three AAA alkaline batteries or Ni-Ca/NiMH rechargeable batteries
(neither supplied) for power. 1. Remove the battery compartment cover on the left earpiece. 2. If you are using alkaline batteries, set ALK/
RCH inside the compartment to ALK. If you are using rechargeable batteries, set ALK/
RCH to RCH. 3. Place the batteries in the compartment according to the polarity symbols (+ and ) marked in the compartment. 4. Replace the battery compartment cover. charging rechargeable batteries The transmitter has a built-in charger. You can use the transmitter to charge rechargeable batteries(700mAh,not supplied) in your headphones. 1. Place the headphones on the transmitter and power the transmitter to charge the rechargeable batteries, the transmitters CHARGE indicator lights up green. CHARGE indicator Power POWER indicator ALK/RCH Note 1. Connect one end of the supplied audio patch cord to the transmitters AUDIO IN jacks (white plug to L AUDIO IN and red plug to R AUDIO IN). 2. Follow one of the steps below to connect the transmitter to your audio source. If your audio sources has output jacks, connect the white and red plugs at the other end of the RCA cable directly to the audio sources corresponding left
(white) and right (red) audio jacks. If your audio source has a 1/8-inch headphones jack, connect the white and red plugs of the RCA cable to the white and red phono jacks of the 1/8-
inch stereo plug adapter. Then insert the adapter into the audio sources headphones jack. If your audio source has a 1/4 -inch headphones jack, insert the 1/8-inch stereo plug adapter into the back of the supplied 1/8-to-1/4-inch stereo adapter. Then insert the adapter into the audio sources HEADPHONE jack. 3. Power the transmitter. 1/8-to-1/4-inch stereo adapter OR OR 1/8-inch stereo plug adapter RCA cable AUDIO IN jacks Rechargeable batteries can be continuously charged over several days. The batteries can be charged with the transmitter set to on or off. When the batteries have been completely discharged, it takes about 10 hours to completely recharge the batteries. 2. The CHARGE indicator turns off when charging is completed, remove the headphones from the transmitter. Rechargeable Analog Wireless Stereo Headphones 1/8-to-1/4-inch stereo adapter 1/8-inch stereo plug adapter RCA cable 12V, 250mA AC/DC adapter Users Guide Please read this users guide before installing, setting up and using your new product www.radioshack.com 33-1197.indd 1 11/02/2005 5:08:26 PM whats includedpower the transmitterpower the headphonesinstalling your headphones 1. Press POWER on the transmitter. The transmitters POWER indicator lights up red. 2. Turn on your audio source. 3. Adjust VOLUME on the headphones to a lower level. 4. Slide ON/OFF on the headphones to ON. 5. Put on the headphones and adjust VOLUME to the desired listening level. 6. Slide ON/OFF on the headphones to OFF, the Power LED turns off. 7. To turn off the transmitter, press POWER. The POWER indicator turns off. POWER ON/OFF VOLUME POWER/
BATT LOW This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Consult your local RadioShack store or an experienced radio/TV technician for help. If you cannot eliminate the interference, the FCC requires that you stop using your headphones. Changes or modications not expressly approved by RadioShack may cause interference and void the users authority to operate the equipment. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. To protect your hearing, follow these guidelines when you use headphones. Set the volume to the lowest setting before you begin listening. After you begin listening, adjust the volume to a comfortable level. Do not listen at extremely high volume levels. Extended high-volume listening can lead to permanent hearing loss. Once you set the volume, do not increase it. Try several locations for the transmitter. Select the location that provides the best performance. If you connect the transmitter to an audio source headphone jack, set the audio sources volume control to mid-position, then adjust VOLUME on the headphones to the desired level. If the headphones range decreases, you do not hear sound from the audio source, or the headphones POWER/BATT LOW indicator is blinking, replace the alkaline batteries or recharge the rechargeable batteries. To preserve battery life, be sure to turn off the headphones when you are not using them. Turn off the headphones before turning off the transmitter. To protect your hearing, set the volume to the lowest setting before you begin listening. After you begin listening, adjust the volume to a comfortable level. Use only fresh batteries of the required size and recommended type. 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 headphones for a week or longer, remove the batteries. Batteries can leak chemicals that can destroy electronic parts. You can only charge rechargeable batteries. Do not attempt to charge alkaline batteries. Do not connect the transmitter to your audio sources speaker output. Doing so could damage the transmitter and audio source. 2005 RadioShack Corporation. All rights reserved. RadioShack and RadioShack.com are trademarks used by RadioShack Corporation. AO0255AAA1 33-1197 09A05 Printed in China Transmitter:
Carrier Frequency ................... ...................................................................... 911.4 and 915.6 MHz Power Source .................. .......................................................................12V DC, 250 mA adapter Modulation Method ............... ........................................................................... ...FM Modulation Receiver:
Sensitivity ................... ............................................................................ ..<2V (with 20 dB S/N) S/N Ratio (@-50dBm) ........ ........................................................................... ...>60 dB (A weight) Audio Distortion ................... ........................................................................................ .........<2%
Max. Audio output ............. ................................................................................................>8 mW Channel Separation ........................................................... >50dB Operation Distance ............................................................... 150 feet Power requirement ....................... 3 AAA alkaline or rechargeable batteries (not include) Overall Frequency Response .........................................................................50Hz-20KHz Specications are typical; individual units might vary. Specications are subject to change and improvement without notice. Images contained in this document may vary from the nal product. 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. For complete warranty details and exclusions, check with your local RadioShack store. RadioShack Customer Relations 300 RadioShack Circle, Fort Worth, TX 76102 04/04 33-1197.indd 2 11/02/2005 5:08:28 PM the FCC wants you to knowlimited 90-day warrantyspecicationshelpful hintsusing your wireless headphoneslistening safelybattery notes