Acoustic Arc AAI-AH081T-00 Wireless Headphone User Manual

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Document ID	1054002
Application ID	aOYd+HalUl4ISgtH0MbpTQ==
Document Description	User Manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	140.34kB (1754207 bits)
Date Submitted	2009-01-09 00:00:00
Date Available	2009-01-09 00:00:00
Creation Date	2008-12-30 15:31:17
Document Lastmod	0000-00-00 00:00:00
Document Title	User Manual

900MHz Wireless Stereo Headphones
User Manual
www.audio-un|imitedocom
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INTRODUCTION
Thank you for purchasing our 900Mhz compact cordless stereo headphone system that
takes advantage oI the very latest advances in wireless transmission technology so you
can listen to music or the sound trom your TV both in the house and outdoors. Just
connect the transmitter to any audio source- DVD, CD, MP3, Btu-ray. PC. TV. VCR.
stereo system or radio (range 165 feet”).
1 Actual range depends on ambient. local conditions.
FEATURES
1. Automatic Phase Look Loop (PLL) scanning system on headphone
(PLL) Transmission system on transmitter
Automatic battery recharging ability built into the transmitter (batteries supplied)
900 MHz RF technology allows freedom of movement
Transmission is not restricted solely to line of sight
Rechargeable receiver headphones (batteries included)
High-quality stereo sound is virtually interference-tree
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Automatic Level Control (ALC) and Auto On/Otf function
IMPORTANT SAFETY INFORMATION
1. Read and understand all instructions
2. Follow all warnings and instructions
3. Before placing headphones on head. ensure that the volume is at a comfortable
level.
4, Reduce the volume or discontinue use it you experience a ringing in your ears.
5. Do not use liquid or aerosol cleaners Use a damp cloth tor cleaning. If
necessary, use a mild soap.
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6. Do not use this product near water, tor example. near a bathtub or laundry tub,
in a wet basement, or near a smmming pool,
7. Do not place this product on an unstable cart. stand or table. The product may
fall, causing serious damage.
8. Do not allow anything to rest on the ACIDC adapter cord or AUDlO lN cable.
Do not place this product where the cord can be abused by animals or persons
walking on it.
9. Never push objects of any kind into this product through the oabmet slots as
they may touch dangerous voltage points or short out parts that could result in a
risk cl fire or electric shock. Never spill liquid of any ktnd on the product.
to. To reduce the risk of electric shock. do not disassemble this product. Opening or
removing covers may expose you to dangerous electric shock when the product
is subsequently used. Take it to a qualified service center when service is
required.
it. Unplug this product irom the wall outlet and refer to qualified service personnel
under the tollowing conditions:
a. ll liquid has been spilled into the product.
b. Iflhe product has been exposed to rain or water.
if the product does not operate normally by following the operating instructions. Adjust
only the controls that are covered by the operating instructions because improper
adjustment of other controls may result in damage it the product has been dropped orthe
cabinet has been damaged
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HEADPHONE SYSTEM PARTS LIST
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HEADPHONE SYSTEM PARTS LIST IDENTIFICATION
RF transmitter
RF receiver headphones
Power On/Oft switch
Power On indicator light
Rechargeable 1.2 V 500 mAh batteries (Ni-MH, LROS/AAA size)
Charge contacts
12V 200 mA AC power adapter (Ul. LISTED)
Jack plug adapter (3 5 mm/6,3 mm diameter)!
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RCA socket audio adapter cable, (3.5mm input jack to two RCA plugs) / Audio
connection cable with 3,5mm jack
10 Operating indicator light (power) / Charge indicator light (charging)
11 Volume control knob (VOL)
12 AUTO SCAN indicator
13 AUTO SCAN button
14 Battery door
15 Press to open the battery door
16 DC iN connector
11 Audio input cable
15 Channel selector (CHANNEL 1 2 3)
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Bgtore Using the Headphone System
An initial 24-hour charge is required to ensure an acceptable service life for the
rechargeable batteries. Always ensure that the headphones are switched to the Off
position while the batteries are charging.
INSTALLATION
RECEIVER HEADPHONES
1. Open the cover ofthe rechargeable battery compartment located on the side of the
right»hand receiver headphone.
2. Insert two rechargeable LROS/AAA size batteries taking care to ensure correct
polarity,
3 Close the battery compartment cover.
TRANSMITTER
1. Connect the provided AC/DC power to an electrical outlet.
2. Connect the AC/DC power adapter cable to the DC IN input connector located on
the transmitter rear panel.
3. Plug in the AUDlO IN cable located on the back of the transmitter panel to a
headphones/earphones output on your TV, stereo system. VCR. PC. or radio.
Depending on the size of the Audio Out port oi your audio component, you may
need to use the included Jack Plug Adapter. Ifthe stereo (or other audio component)
has a two-hole Audio Out (left and right) connection, use the RCA socket audio
adapter provided. Connect it to the end of the AUDIO IN cable and then to the
Audio Out connection on the component making sure to match the RED to RED and
the WHITE to WHITE.
4. A cable is prowded from the transmitter rear panel that can be connected to the
audio output (Iefl and right) on a TV. stereo system, VCR or radio, or to a
headphones/earphones output using the connector supplied.
" Note: You may need the included iPhone Adapter to connect your iPhone to the
transmitter for audio streaming. Simply plug the cable from the transmitter into
one end of this iPhone Adapter, then plug the other end of the adapter into your
iPhone. ”
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The red operating indicator will light up as soon as you have connected the power
adapter to the outlet and the audio cable to a signal source. if the operating
indicator light remains off. switch on the audio source and increase its output
volume level until the red indicator light comes on.
CHARGING THE BATTERIES
1, Place the On/Off switch on the receiver headphones in the or! position.
2. Place the headphones on the transmitter, taking care to ensure that the charge
contacts touch the transmitter‘s charge prongs.
3. The charge process starts automatically and the green indicator light comes on Be
sure to charge new batteries for 24 hours before using them for the first time in the
headphones.
WARNING:
Never attempt to recharge conventional dry cells.
Never use another type of battery or non-rechargeable batteries to replace the
rechargeable (LR03/AAA) batteries supplied. When the headphones are not in use. move
the switch to the OFF posnion to avoid damaging the batteries. The batteries must
always be fully charged before use.
IMPORTANT.
When replacing the batteries or disposing of the unit. always comply with applicable laws
relating to the disposal ol batteries. Please place them in a proper disposal container to
ensure that they are eliminated safely and in an environmentally friendly way.
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OPERATION
1. Switch on the sound source (TV, PC, VCR. DVD player or audio component) that
the transmitter is connected to.
2. Place the headphones On/Otf switch in the On position.
3. Before placing headphones on head. make sure the volume is not too loud and
then place the headphones on your head and adjust the volume to obtain the
desired sound level.
4. There are 3 available channels. Press the Auto Scan button on the headphones to
search for the best reception. The corresponding indicator light will illuminate.
NOTE:
You should then be able to move freely from one room to another with no interference lf
interference does occur (interruptions in the signal), press the Auto Scan button once to
find a better reception channel.
A For better stereo reception, stay approximately 23 feet away from the transmitter
when you press Auto Scan.
B if it is impossible to find a satisfactory frequency, change the channel setting
(CHANNEL $21) on your transmitter. then press Auto Scan to find the
corresponding channel,
To protect the transmitter and save power, the transmitter will automatically switch off
afler approximately four minutes if the signal from the audio source is too weak. If,
however. the signal returns to an acceptable level, the transmitter automatically switches
back on.
ATTENTION:
The transmitter for this wireless stereo headphone set is designed to work with a wide
variety of devices. Our tests have shown the default volume levels of iPods. MP3 players
and other deVices connected to the transmitter through the headphone jack does not
have the signal strength required by the transmitter. Raising the volume of your deVice
will increase the signal strength to the transmitter The red signal LED will light when the
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required signal strength from your device if reached. We recommend thal you keep the
volume set on your iPod or MP3 player at a minimum of% offull volume
TECHNICAL SPECIFICATIONS
Transmission mode : UHF stereo
Carrier frequency : 900Mhz
Operating voltage Transminer - 12V 200 rnA
Receiver — 2.4 V (two rechargeable batteries. LR03IAAA size)
Frequency response : 50 Hz — 12 KHZ
Distortion : We
SignaHo—noise ratio : 72 dB
Channel separation : 50 dB
Range : 150 feel max,
NOTE: 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
teieVision reception. which can be determined by turning the equipment off and on. the
user is encouraged to try to correct lhe interference by one or more of the following
measures:
-- Reorient or relocate the receiving antenna.
-- Increase the separation between the equipment and receiver.
-- Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
-- Consult the dealer or an experienced radio/TV technician for help.
Changes or modifications not expressly approved by the party responsible for
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compliance could void the user‘s authority to operate the equipment.
TROUBLESHOOTING
NO SOUND
Ensure that the AC power adapter is pushed fully into the power outlet and
that its cable is properly connected to the DC IN 12V connector on the
transmitter.
Ensure that the headphones OnlOff switch tS in the On position.
The headphones battery charge level may be too low Recharge the batteries
or replace them with fully charged batteries.
Ensure your TV set. stereo system. VCR, DVD player or audio component is
switched on and set to a channel that broadcasts an audio signal.
The connected audio/Video equipment may not be in playback mode. Start
playback on the equipment.
Ensure the source is broadcasting at a sufficrent volume by increasing the
volume as needed on the source component. Use the headphones volume
control to increase the sound level
Check the battery compartments to ensure batteries are fully seated and that
polarity positions are correct.
DISTORTION
Ensure that the "Stereo" indicator IS lit, It not. press the autoscan button on
the headphones until it illuminates.
Use the channel selector to change the transmitters frequency. Press the
auto tune button on the headphones until the "Stereo“ indicator comes on.
The headphones battery charge level may be too low. Recharge the batteries
or replace them with fully charged batteries.
The headphones may be too far away from the transmitter. Move to a
location closer to the transmitter.
The audio signal input level may be too low. increase the volume trom the
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audio source.
FOR MAXIMUM PERFORMANCE
When available, a variable output on the source component will otter increased volume
control and help reduce distortion. Examples of variable outputs are headphone jacks,
computer speaker outputs and some TV RCA output jacks
a. When using a variable output jack. set the volume of the source
component to mid-level and adjust headphone volume control until
desired result is achieved. if headset volume is not sufficient. adjust
source volume. if distonion in the headset occurs, reduce volume
control on source component.
o. Fixed outputs allow for volume regulation through the headset only.
Examples of fixed outputs are RCA jacks (VCR. Tape. Wdeo or CD
outputs).
IC Statement:
Operation is subject to the following two conditions: (1) this device may not cause
interference. and (2) this device must accept any interference, including interference that
may cause undesired operation of the device.
“This product may contain chemicals listed in Proposition 65
(nttgtl/www oehha cagov/grogeslgrofis Iist/Newtisthtml that may be known to cause
cancer. birth defects or other reproductive harm.”
Cables Unlimited
2500 Bisso Lane, #200 Concord, CA 94520, USA
Tel. No. i 1 (800) 609-7550
M audig»unlimiled.com
MLablesun mited com
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