Acoustic Research AW-772, AW-722 Owners Manual

AW722/AW772

* Range may vary by environment and hookup.

Receives signal up to 150 ft (45m)*

Thank you for choosing the

AR Brand 900MHz Wireless Headphones.

Before attempting to use your headphones, please remove all parts

from this package and read the installation and usage instructions carefully.

900MHz

Wireless Headphones

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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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RECHARGING CRADLE/TRANSMITTER

The recharging cradle/transmitter acts both as the transmitter of the signal to the headphones as well as the recharging base.

BACK

Off indicator: incorrect recharge

On indicator: correct recharge position

Power on indicator

Charging contact

AUDIO IN input jack

Channel selection control 1, 2, 3

DC IN power supply socket

RECHARGING THE HEADSET

To recharge the headset unit, place the headphones into the recharging cradle/transmitter with the charge indicator facing to the front. It is important that the headphones are placed in a completely vertical position, not leaning to either side. If the headphones are placed

correctly, the charge indicator light on the headphones illuminates.

FRONT

Rechargeable batteries

HEADPHONE SET DESCRIPTION

For stand-alone functioning, your wireless headphones must be powered by rechargeable batteries (included). The rechargeable batteries must be installed into the battery compartment and recharged before use. (See Battery Installation and Information, page 6).

Volume control

On indicator

On/off button

Fine tuning control

(AW722: knob) (AW772: button)

Charge indicator

Rechargeable battery compartment

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