Acoustics Research AW772 Portable Wireless Headphones User Manual

Acoustics Research AW772 Portable Wireless Headphones 

Introduction

The Acoustics Research AW772 Portable Wireless Headphones are made for music enthusiasts and listeners who are constantly on the go and seek a combination of comfort, high-quality sound, and cutting-edge features. With their powerful bass and clear highs, these over-ear headphones provide a wireless experience with excellent sound quality. The AW772 headphones are ideal for extended listening sessions, traveling, or just unwinding since they offer superior sound isolation, a long battery life, and easy wireless operation via Bluetooth.

What’s in the Box

• Acoustics Research AW772 Wireless Headphones
• USB Charging Cable
• 3.5mm Audio Cable (for wired connection)
• Carrying Case
• User Manual
• Warranty Card

Specification

• Version 5.0 of Bluetooth
• 40mm is the driver size.
• 20 Hz to 20 kHz
• Wireless playback for up to 20 hours
• Two to three hours for charging
• Up to 500 hours
• Integrated microphone for hands-free calls
• For convenient portability and storage
• Around 0.5 lbs.
• Bluetooth and AUX (3.5mm) audio input
• isolating Noise Passively
• Color choices include blue, white, and black.

Safety Information

• Avoid Overcharging: After the headphones are fully charged, avoid leaving them charging for long periods of time since this may shorten the battery’s lifespan.
• Safe Charging: To prevent any electrical problems, always use the USB charging cable that comes with the device or a compatible charger.
• Avoid Water: Since these headphones are not water-resistant, keep them away from any sources of moisture, rain, or water.
• Appropriate Storage: To prevent damage, keep the headphones in a dry, secure location while not in use. They will be more protected when traveling if you use the carrying case that comes with it.
• Volume Control: Prolonged exposure to loud music can harm your hearing. Make sure the volume is always set to a safe level.
• Frequent Cleaning: To keep the ear pads hygienic and in good shape, wipe them down with a gentle, dry cloth. Don’t use harsh chemicals.

HEADSET SAFETY

Follow these precautions for safe usage of your wireless headphones.

• 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.
• 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.
• 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.
• Always leave easy access to the main power supply.
• Disconnect the unit from the main power supply during storms, or if you will be absent for a long period of time.
• If you observe smoke or detect a burning odor, immediately disconnect the device from the main power supply.
• Never open the unit yourself; you may receive a severe electric shock, leading to serious injury or even death.
• Protect the unit from dust, humidity and sources of excessive heat (e.g., fireplace or radiator).
• 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).
• Do not expose the unit to direct sunlight. Its maximum ambient temperature is
  95° Fahrenheit (35° Celsius).
• The ventilation should not be impeded by covering the unit with any items, such as newspapers, tablecloths, curtains, etc.
• No flame sources, such as lighted candles, should be placed on or close to the recharging cradle/transmitter.
• 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).
• 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.
• 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.

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.

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.

RECHARGING CRADLE/TRANSMITTER

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

SUPPLIED ACCESSORIES

This headphone system includes accessories that enable you to use your wireless headphone set in a number of ways. (See sections on Standard Usage, page 8, and Alternate Installation Configuration, page 9).

BATTERY INSTALLATION AND INFORMATION

Your wireless headphone unit requires two rechargeable AAA batteries. The two rechargeable batteries that are supplied with your wireless headphones are uncharged. Before you can use the wireless headphones, the batteries must be charged. Follow these steps to charge and install the batteries.

Installing the Rechargeable Batteries
Take care to follow these steps to correctly charge and install the batteries.

• On the left earphone, locate the battery compartment and the word “Open.” Use your fingernail in the groove on top of the battery compartment to lift the cover.
• Insert two AAA rechargeable batteries (included), carefully following the markings inside to ensure the batteries are inserted properly, with the + and – ends in the correct positions.
• Replace the battery compartment cover.

Charging the Rechargeable Batteries
Follow these steps to recharge the NiMH rechargeable batteries.

• Connect the AC/DC main power adapter to the DC IN power supply socket, located on the back of the recharging cradle/transmitter.
• Then, plug the adapter into an electrical outlet.
• Place the headphones into recharging cradle/transmitter, with the charge indicator facing to the front. Make sure the headphones are placed in a completely vertical position, not leaning to either side. If the headphones are placed correctly, the charge indicator light illuminates.
• Subsequent charging must be performed in about 15-17 hours.

NiMH Rechargeable Battery Memory Effect

• When an NiMH rechargeable battery is first used, it is important to fully charge it and then allow it to discharge three times in order to maximize the battery’s storage capacity.
• When a battery is recharged before it is completely discharged, it develops a memory that will limit the amount of charge in the future.
• This reduces the battery’s storage capacity for subsequent charges and so reduces the amount of time your headphones can be used before recharging is necessary.

NiMH Natural Power Discharge

• Due to their chemical design, all rechargeable batteries incur some degree of natural discharge.
• This means they automatically lose their charge in varying degrees, even when not in use.
• The size of this power loss varies, depending on the battery’s type, size, design, internal resistance and, most especially, the temperature.
• The higher the temperature, the greater the power loss through natural discharge.

NiMH Battery Warnings

• If you are using NiMH or NiCd batteries, the batteries will charge when the headphones are powered with the AC power adapter.
• Do not power the headphones with the AC power adapter if you installed alkaline or other non-rechargeable batteries—this could cause the batteries to leak.
• Do not mix batteries with different chemistry types (for example, a zinc battery with an alkaline battery).
• Do not mix new and used batteries. Do not leave batteries installed in the product when not in use for long periods.
• Respect the environment and the law.
• Before disposing of rechargeable batteries, ask your retailer if they can be recycled and whether or not the retailer collects rechargeable batteries for recycling.

CONNECTING THE RECHARGING CRADLE/TRANSMITTER

Follow this quick setup guide to ensure trouble-free installation of your headphones. To connect the recharging cradle/transmitter to the audio source, follow these steps.

• Plug the stereo audio cable into the headphone jack of your audio source (e.g., stereo, TV, CD player, DVD, etc.). If your audio source has two RCA output jacks instead of a headphone jack, use the supplied Y cable to connect your headphones to the two (red and white) RCA jacks.
• Connect the other end of the stereo audio cable to the AUDIO IN socket at the back of the recharging cradle/transmitter.
• Connect the AC/DC main power adapter to the DC IN power supply socket at the back of the recharging cradle/transmitter. Then, connect the adapter to an electrical outlet.

OPERATION

Standard usage

• Switch on the audio source (TV, DVD, CD player, etc.) to which the recharging cradle/transmitter is connected. If your audio source is a DVD or CD player, start a disc.

WARNING: The recharging cradle/transmitter has an automatic function that switches it off if the audio input jack does not receive an audio signal for approximately two minutes. If the volume on the audio source is too low, the recharging cradle/transmitter also switches off after two minutes. This feature was installed to comply with current legislation that reduces the amount of radio emissions in the environment. To ensure that this function is not accidentally triggered, set the audio source volume at approximately 50 percent capacity. Consult your component user’s manual for details on how to set the volume for headphones/earphones.

• The recharging cradle/transmitter is now ready to receive an audio signal. The recharging cradle/transmitter is activated automatically when receiving an audio signal from the audio source.
• Check to make sure the power on indicator light on the front of the recharging cradle/transmitter is lit, indicating that the unit is ready.
• Push the POWER ON/OFF button, located on the right earphone. The LED light turns on to indicate activation.
• The recharging cradle/transmitter features three channels for radio frequency transmissions. Select one of these channels, using the switch on the back of the recharging cradle/transmitter.
• After selecting a channel, use the fine tuning control, located on right earphone to adjust the reception. The PLL function automatically locks the three channels, providing you with top-quality audio reception with no sound loss.
• Adjust the volume using the volume control, also located on the right earphone.
• When you are through using the headphones, switch them off using the POWER ON/OFF button, and place the audio source
  on standby.

Note: To ensure that your headphones are charged and ready for use at all times, place them in the recharging cradle/transmitter when not in use.

Alternate Installation Configuration

• The accessories included with your headphone system include a jack adapter for connecting the unit to a 6.35 mm headphone socket and a Y cable.
• Normally, when a device is plugged into a headphone jack, it automatically shuts off the speakers.
• If you want the speakers to continue playing while you are using the headphone set, you can use the Y adapter instead of the headphone jack.
• Use the supplied Y cable to connect your headphones to the two (red and white) RCA jacks.
• Connect the other end of the stereo audio cable to the AUDIO IN input jack at the back of the recharging cradle/transmitter.
• This is especially useful if, for example, your family is listening to music in one room of your home and you want to listen to the same music in another room.
• It is also beneficial in families where one person has a hearing impairment.
• That person can use the headphones to listen to the audio source, adjusting the volume as needed.
• This type of connection also enables you to use your headphones more simply as you will only need to switch on the audio source and switch on your headphones to activate.

WARRANTY

12 MONTH LIMITED WARRANTY

• Audiovox Electronics Corporation (the “Company”) warrants to the original retail purchaser of this product that should this product or any part thereof, under normal use and conditions, be proven defective in material or workmanship within 12 months from the date of original purchase, such defect(s) will be repaired or replaced (at the Company’s option) without charge for parts and repair labor.
• To obtain repair or replacement within the terms of this Warranty, the product along with any accessories included in the original packaging is to be delivered with proof of warranty coverage (e.g. dated bill of sale), specification of defect(s), transportation prepaid, to the Company at the address shown below. Do not return this product to the Retailer.
• This Warranty is not transferable and does not cover product purchased, serviced or used outside the United States or Canada. The warranty does not extend to the elimination of externally generated static or noise, to costs incurred for the installation, removal or reinstallation of the product.
• The warranty does not apply to any product or part thereof which, in the opinion of the company, has suffered or been damaged through alteration, improper installation, mishandling, misuse, neglect, accident or exposure to moisture.
• This warranty does not apply to damage caused by an AC adapter not provided with the product, or by leaving non-rechargeable batteries in the product while plugged into an AC outlet.

THE EXTENT OF THE COMPANY’S LIABILITY UNDER THIS WARRANTY IS LIMITED TO THE REPAIR OR REPLACEMENT PROVIDED ABOVE AND, IN NO EVENT, SHALL THE COMPANY’S LIABILITY EXCEED THE PURCHASE PRICE PAID BY PURCHASER FOR THE PRODUCT.
This Warranty is in lieu of all other express warranties or liabilities. ANY IMPLIED WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, SHALL BE LIMITED TO DURATION OF THIS WARRANTY. ANY ACTION FOR BREACH OF ANY WARRANTY HEREUNDER, INCLUDING ANY IMPLIED WARRANTY, MUST BE BROUGHT WITHIN A PERIOD OF 24 MONTHS FROM THE DATE OF ORIGINAL PURCHASE. IN NO CASE SHALL THE COMPANY BE LIABLE FOR ANY CONSEQUENTIAL OR INCIDENTAL DAMAGES WHATSOEVER.

• No person or representative is authorized to assume for the Company any liability other than expressed herein in connection with the sale of this product.
• Some states/provinces do not allow limitations on how long an implied warranty lasts or the exclusion or limitation of incidental or consequential damage so the above limitations or exclusions may not apply to you.
• This Warranty gives you specific legal rights and you may also have other rights which vary from state/province to state/province.

U.S.A.: Audiovox Electronics Corporation, 150 Marcus Blvd., Hauppauge, New York 11788
CANADA: Audiovox Return Center, c/o Genco, 6685 Kennedy Road, Unit 3, Door 16, Mississauga, Ontario L5T 3A5\

• 2007 Audiovox Accessories Corporation
• 111 Congressional Blvd., Suite 350
• Carmel, IN 46032 USA
• AW722/AW772

Trademark(s) Registered
All other brands and product names are trademarks or registered trademarks of their respective owners.

FCC

This device complies with Part 15 of the FCC Rules. Operation of this device is subject to the following two conditions:

• This device may not cause harmful interference, and
• this device must accept any interference recieved, including interference that may cause undesired operation.

Changes or modifications not expressly approved by the party responsible for compliance could void your authority to operate the equipment.

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Acoustics Research AW772 Portable Wireless Headphones User manual

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