Acoustic Research AW722 Headphones User Manual


 
HEADSET SAFETY
Follow these precautions for safe usage of your wireless headphones.
1. These wireless headphones have been designed for residential use and should not be
used for industrial purposes. The headphones should be installed and used in
accordance with the instructions contained in this manual.
2. Read through these instructions completely before installation. Follow the instructions
carefully and carry them out in the correct order. Keep the manual on hand for future
reference.
3. The power for this headphone system is delivered with batteries. Before charging, read
the instructions in this manual. Disconnect the power supply from the recharging
cradle/transmitter before installing or removing batteries.
4. Always leave easy access to the main power supply.
5. Disconnect the unit from the main power supply during storms, or if you will be absent
for a long period of time.
6. If you observe smoke or detect a burning odor, immediately disconnect the device from
the main power supply.
7. Never open the unit yourself; you may receive a severe electric shock, leading to serious
injury or even death.
8. Protect the unit from dust, humidity and sources of excessive heat (e.g., fireplace or
radiator).
9. The power source should not be in contact with liquids or exposed to the risk of
dripping or splashing liquid. Be careful not to place the power source or recharging
cradle/transmitter near any object containing liquid (e.g., a vase, glass or bottle).
10. Do not expose the unit to direct sunlight. Its maximum ambient temperature is
95° Fahrenheit (35° Celsius).
11. The ventilation should not be impeded by covering the unit with any items, such as
newspapers, tablecloths, curtains, etc.
12. No flame sources, such as lighted candles, should be placed on or close to the
recharging cradle/transmitter.
13. This unit has been designed for use in a dry environment. If, for exceptional reasons,
you must utilize the unit out of doors (balcony, veranda, etc.), take care to protect it
from dampness (dew, rain or splashes of liquid).
14. The maximum ambient humidity that the device supports is 85 percent. If the unit is
cold and you wish to use it in a warm room, wait until any condensation on the unit
evaporates by itself before you turn it on.
15. Clean the unit with a soft cloth soaked in a neutral detergent. You may damage the unit
if you use an alcohol-based product. If you are unsure if the detergent is alcohol-based,
test the cleaning product on the underside of the unit.
Thomson Inc. declines all liability for any use that does not comply with the instructions in
this User’s Manual.
Keep your sales receipt to obtain warranty parts and service and for proof of purchase.
Attach it here and record the model number. This number is located on the product.
Model No. ____________________________
Purchase Date: ________________________
Dealer/Address/Phone: __________________________________________________________
________________________________________________________________________________
This device complies with Part 15 of the FCC Rules. Operation of this device is subject to
the following two conditions: (1) This device may not cause harmful interference, and (2)
this device must accept any interference recieved, including interference that may cause
undesired operation.
TABLE OF CONTENTS
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Headphone Set Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Recharging the Headset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Recharging Cradle/Transmitter Description . . . . . . . . . . . . . . . . . . . . . . .5
Supplied Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Battery Installation and Information
Installing the Rechargeable Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Charging the Rechargeable Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
NiMH Rechargeable Battery Memory Effect . . . . . . . . . . . . . . . . . . . . .7
NiMH Natural Power Discharge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
NiMH Battery Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Connecting the Recharging Cradle/Transmitter . . . . . . . . . . . . . . . . . . .8
Operation
Standard Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Alternate Installation Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
FEATURES
900 MHz RF technology lets you roam freely throughout your house
Operating distance up to 150 feet/45 meters from cradle/transmitter*
No line-of-sight limitations
Convenient power, volume and tuning controls located on headphones
* Range may vary by environment.
INTRODUCTION
Congratulations on your purchase of this wireless headphone
system. The AW722/AW772 utilizes wireless, radio frequency
transmission (900 MHz). The headphones are induction recharged
using an electric field and incorporate Phase Lock Loop (PLL)
technology, which offers three channels for radio transmissions.
This 900 MHz stereo wireless headphone system features a compact
design that enables you to enjoy music and TV sound just about
anywhere inside or outside your home. It’s simple to connect this
system to any sound source, such as a DVD, DBS, CD, TV, VCR,
stereo receiver or radio.
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