RadioShack Corporation 3301197R ユーザーズマニュアル

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.

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

Transmitter:

Carrier Frequency ................... ....................................................................... 911.4 and 915.6 MHz

Power Source .................. ........................................................................12V DC, 250 mA adapter

Modulation Method ............... ............................................................................ ....FM Modulation

Receiver:

Sensitivity ................... ............................................................................. ...<2µV (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

Specifications 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.

©2005 RadioShack Corporation. 
All rights reserved. RadioShack and 
RadioShack.com are trademarks 
used by RadioShack Corporation.

AO0255AAA1

33-1197

09A05

Printed 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.

1. 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.

•

  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.

POWER 

ON/OFF

VOLUME

POWER/

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.

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11/02/2005   5:08:28 PM