Radio Shack 3301197T 900MHz Wireless Headphone User Manual 33 1197 indd

RadioShack Corporation 900MHz Wireless Headphone 33 1197 indd

User Manual

Please read this user’s guide before installing, setting up and using your new productwww.radioshack.com33-1197Rechargeable Analog Wireless Stereo HeadphonesThank 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. Rechargeable Analog Wireless Stereo Headphones1/8-to-1/4-inch stereo adapter1/8-inch stereo plug adapterRCA cable12V, 250mA AC/DC adapterUser’s Guidewhat’s includedYou need to power the transmitter by the supplied 12V, 250mA AC/DC adapter when you use the headphones. Plug the supplied AC adapter’s barrel plug into the transmitter’s DC IN 12V jack, then plug the adapter into a standard AC outlet.• 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 finish, disconnect the adapter from AC power before you disconnect it from the transmitter.power the transmitterInstalling the batteriesThe 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 batteriesThe 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 transmitter’s CHARGE indicator lights up green. • 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.power the headphonesNoteNote1. Connect one end of the supplied audio patch cord to the transmitter’s 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 source’s has output jacks, connect the white and red plugs at the other end of the RCA cable directly to the audio source’s 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 source’s 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 source’s HEADPHONE jack.3. Power the transmitter.installing your headphones1/8-inch stereo plug adapter1/8-to-1/4-inch stereo adapterORORALK/RCHCHARGE indicatorPOWER indicatorPower AUDIO IN jacksRCA cable12V, 250mA AC/DC adaptertransmitter33-1197.indd 1 11/02/2005 5:08:26 PM
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 modifications not expressly approved by RadioShack may cause interference and void the user’s 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.the FCC wants you to knowThis 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 Relations300 RadioShack Circle, Fort Worth, TX 76102 04/04limited 90-day warrantyTransmitter:Carrier Frequency ................... ....................................................................... 911.4 and 915.6 MHzPower Source .................. ........................................................................12V DC, 250 mA adapterModulation Method ............... ............................................................................ ....FM ModulationReceiver:Sensitivity ................... ............................................................................. ...<2µV (with 20 dB S/N)S/N Ratio (@-50dBm) ........ ............................................................................ ....>60 dB (A weight)Audio Distortion ................... ......................................................................................... ..........<2%Max. Audio output ............. .................................................................................................>8 mWChannel Separation……… ........................................................... …………………………….>50dBOperation Distance……… ............................................................... …………………………150 feetPower requirement…… ....................... …3 AAA alkaline or rechargeable batteries (not include)Overall Frequency Response…… .........................................................................……50Hz-20KHzSpecifications are typical; individual units might vary. Specifications are subject to change and improvement without notice. Images contained in this document may vary from the final product.specifications©2005 RadioShack Corporation. All rights reserved. RadioShack and RadioShack.com are trademarks used by RadioShack Corporation.AO0255AAA133-119709A05Printed in China• 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 source’s 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.helpful hints1. Press POWER on the transmitter. The transmitter’s 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.using your wireless headphones• 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.listening safelyPOWER ON/OFFVOLUMEPOWER/BATT LOW• 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 source’s speaker output. Doing so could damage the transmitter and audio source.battery notes33-1197.indd 2 11/02/2005 5:08:28 PM

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