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4

PREPARATION

CONNECTING TO AN 
AUDIO SOURCE

Caution: Do not connect the transmitter
to the audio source's speaker output.
Doing so could damage the transmitter
and audio source.

Connect the transmitter to your audio
source's stereo headphone jack or to
separate left and right audio output jacks
(if available). If you connect the transmit-
ter to audio output jacks, you can use
the headphones’ volume control to ad-
just the volume without turning up the
volume on your audio source.

To connect the transmitter to your audio
source's stereo headphone jack, plug
the single (

1

/

8

-inch) end of the supplied Y

adapter cable into the headphone jack
and connect the other ends into the sup-
plied stereo audio cable (red plug to red
jack and white plug to white jack). Then
connect the red plug to transmitter's 

R/

AUDIO IN

 jack and connect the white

plug to the 

L/AUDIO IN

 jack.

Note: To connect a Y-adapter to a 

1

/

4

-

inch headphone jack, slip the supplied 

1

/

4

-inch adapter plug over the 

1

/

8

-inch

plug and complete the connections.

To connect the transmitter to your audio
source's audio output jacks, connect
one end of the supplied stereo audio ca-
ble to the transmitter's 

R/AUDIO IN

 and

R/AUDIO IN

 jacks (red plug to 

R/AUDIO

IN

 and white plug to 

L/AUDIO IN

). Then

plug the other ends into the audio
source's audio output jacks (red plug to
the right channel and white plug to the
left channel).

USING AC POWER

Use the supplied 12-volt, 100-mA AC
adapter to connect the transmitter to AC
power.

33-1185.fm  Page 4  Wednesday, November 10, 1999  10:29 AM

Summary of Contents for 33-1185

Page 1: ...Cat No 33 1185 OWNER S MANUAL Please read before using this equipment Rechargeable 900 MHz Wireless Stereo Headphones 33 1185 fm Page 1 Wednesday November 10 1999 10 29 AM ...

Page 2: ... just the volume to a comfortable listen ing level without adjusting the audio source THE FCC WANTS YOU TO KNOW Your Wireless Stereo Headphones might cause TV or radio interference even when they are operating properly To determine whether your head phones are causing the interference turn off the headphones If the interfer ence goes away your headphones are causing the interference Try to elimi n...

Page 3: ... AC Power 4 Installing Batteries 5 Charging Rechargeable Batteries 6 Operation 7 Listening Safely 7 Using Your Headphones 7 Adjusting the Frequency 8 Troubleshooting 9 Care and Maintenance 10 Specifications 11 33 1185 fm Page 3 Wednesday November 10 1999 10 29 AM ...

Page 4: ...ds into the sup plied stereo audio cable red plug to red jack and white plug to white jack Then connect the red plug to transmitter s R AUDIO IN jack and connect the white plug to the L AUDIO IN jack Note To connect a Y adapter to a 1 4 inch headphone jack slip the supplied 1 4 inch adapter plug over the 1 8 inch plug and complete the connections To connect the transmitter to your audio source s a...

Page 5: ...apter into a standard AC outlet INSTALLING BATTERIES To power the headphones receiver use the three supplied AAA nickel cadmium rechargeable batteries Or you can use three AAA alkaline batteries not sup plied available at your local RadioShack store Cautions Use only fresh batteries of the required size and recommended type Do not mix old and new batteries different types of rechargeable bat terie...

Page 6: ...r call 1 800 843 7422 Some op tions that might be available are munici pal curbside collection drop off boxes at retailers such as your local RadioShack store recycling collection centers and mail back programs Charging Rechargeable Batteries Before using your headphones for the first time you must charge the head phones batteries for at least 24 hours If the headphones range decreases or you hear...

Page 7: ...audio source s volume control set LEVEL on the back of the transmitter about midway then rotate the audio source s volume control until the indicator at the front of the transmit ter flashes If the indicator does not flash rotate LEVEL clockwise until the indicator flashes If you connected the transmitter to an audio source s line output jack or a jack that is not controlled by the audio source s ...

Page 8: ...o source in mono until you move com pletely out of range If reception is poor even when the batteries are fully charged and you are near the transmitter try moving the transmitter to a higher location or moving it away from the audio source ADJUSTING THE FREQUENCY If you receive interference from other devices you might be able to reduce the interference by adjusting your head phones operating fre...

Page 9: ...e s volume control is turned up If the stereo indicator on the right earpiece is not on adjust TUNE on the right earpiece until it turns on Adjust the headphones volume control Change the position of the transmitter Distorted audio If the STEREO indicator on the right earpiece does not light steadily adjust TUNE on the earpiece until it turns on Rotate FREQ ADJUST on the transmitter then adjust TU...

Page 10: ...use prema ture wear of parts Handle the headphones gently and carefully Dropping them can dam age circuit boards and cases and can cause the headphones to work improperly Use only fresh batteries of the required size and recommended type Batteries can leak chemicals that damage your headphones electronic parts Wipe the headphones with a damp cloth occasionally to keep them look ing new Do not use ...

Page 11: ...ion Headphones Frequency Response 50 Hz 12 kHz S N Ratio 55 dB Stereo Separation 20 dB or Greater Audio Distortion 2 Operating Range 150 Feet Open Field Specifications are typical individual units might vary Specifications are subject to change and improvement without notice 33 1185 fm Page 11 Wednesday November 10 1999 10 29 AM ...

Page 12: ...ng 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 un less 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...

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