Acoustic Arc AAI-DH1030US0 2.4GHz Digital Wireless Headphones (Transmitter) User Manual

Acoustic Arc International Ltd. 2.4GHz Digital Wireless Headphones (Transmitter)

User Manual

2.4GHz digital wireless headphonesDH1030US/CRC#5499371User's Manual
INTRODUCTIONThank you for purchasing this system ! This 2.4GHz stereo wirelessheadphone system offers you advances in wireless transmission technology sothat you can listen to ultra stereo sound from your audio components up to 50meters. The transmitter is compactable to any audio sources, say DVD player,CD player, i-pod, MP3, TV set, VCR, Hi-Fi system or radio.FEATURES1. 2.4GHz FHSS Digital technology.2. Digital Pairing System on Headphone & transmitter3. Electronic Volume Control on Headphones4. Operating distance up to 50 meters5. Automatic battery recharging (rechargeable batteries supplied)6. RF technology leaves you completely free to move around7. Auto Shut-off on headphone8. Auto On/Off RF function on transmitter9. Low Power indicator on headphone10. 3.5mm Line in feature for corded headphone application11. High quality stereo sound that is virtually interference-free.
PACKAGING1. RF receiver headphone2. RF transmitter3. 6V 300mA power adapter4. 3.5mm to 3.5mm cable (1.5 meters)5. 3.5mm to RCA adapter6. 2x AA rechargeable batteriesINSTALLATIONTRANSMITTERPAIR AUDIO IN DC INSIGNAL CHARGE1.Connect the mains adapter provided to an electrical outlet.2.Connect the mains adapter to the DC IN input connector located on the
transmitter rear panel. LED of transmitter will light up in red.3.Use the audio cable attached with the transmitter to connect audio outputs onaudio sources like TV set, Hi-Fi system, ipods, VCR or radio-cassette player.4. The LED of transmitter will turn from red to green when there is audio signalfrom the source.The GREEN LED indicator will light up when audio source is on. If the GREENindicator LED remains off, switch on the audio source and increase its outputlevel until the GREEN indicator light comes on.HEADPHONE RECEIVER14321 BATTERY DOOR2 3.5mm AUDIO IN3 ON/OFF4 VOL+.PAIR.VOL-1.Remove the battery door from the left hand side (L) of receiver headphone.2.Insert two rechargeable LR6/AA size batteries. Ensure correct polarity.3.Put back the battery door to the left hand side of receiver headphone.4.Switch off the receiver headphones and place it into the top of transmitter tocharge the batteries for 16 hours before the initial use.
OPERATIONS1.Connect the power adapter between the transmitter and wall outlet. The LEDon the transmitter will light up in Red.2.Turn on the audio source with at least half-steps of maximum volume (TV oraudio component) to which the transmitter is connected with. The LED will turnfrom Green to Blue. If the audio source is MP3 player, it is suggested to turn thevolume to maximum to have stable audio output from the MP3 player.3.Turn on the headphone receiver by pressing ON/OFF switch and LED will bein Red.4.If the LED on the headphone is OFF immediately, please put the headphoneback to the transmitter for recharging.5.When the audio link is established, LEDs turns to Green and music will beplayed.6.The LED on headphone will blink in Red if the battery power is low.7.When listening is ended, turn OFF the headphone.NOTE:If the LED on headphone remains in Red and does not work, start Pairingprocess by pressing the Pair button for 3 seconds on the transmitter and theheadphone simutaneously until the Green LEDs flash. The LEDs will change tosolid Green when pairing process is finished.To protect the transmitter and save power, the transmitter will automatically goto standby mode and LED will change from green to red after approximately fourminutes if there is no audio signal, or the signal that it receives from the audiosource is too weak for proper reception. If however the signal returns to anacceptable level, then the transmitter will automatically switch back on.The headphone receiver will automatically shut off if getting no signal fromtransmitter in 15 minutes.
CHARGING THE BATTERIES1.Switch OFF the receiver headphone.2.To recharge the headphone batteries, place the headphone on the transmitter,taking care to ensure that the charge contacts touch the transmitter's chargepins and the red LED will flash when quick charge is activated. When quickcharge finishes, the LED will be solid red for slow charge mode.3.Be sure to charge new batteries for 16 hours before using them for the firsttime in the headphones. The red indicator light will be on continuously duringbattery charging.
Wired Headphone ApplicationThe headphone can be applied in corded mode. Simply connect the headphoneand the audio source by the supplied 1.5 meters audio cable. You will thenenjoy the audio in wired mode.WARNINGS:** Never use another type of battery or non-rechargeable batteries to replacethe rechargeable (LR6/AA) batteries supplied. When the headphones are not inuse, switch OFF the headphones to avoid damaging the batteries.** The batteries must be fully charged before first use. An initial 16 hourscharge is required to guarantee an acceptable service life for the rechargeablebatteries. Always ensure that the headphones are switched to the Offposition while the batteries are charging.** Changes or modifications to this unit not expressly approved by the party
responsible for compliance could void the user’s authority to operate theequipment. Operation is subject to the following two conditions: (1) this devicemay not cause interference, and (2) this device must accept any interference,including interference that may cause undesired operation of the device.IMPORTANT** This unit should be operated with rechargeable batteries only. Whenreplacing the batteries or when disposing of the unit, always comply withapplicable laws relating to the disposal of batteries. Please place them in aproper disposal container to ensure that they are eliminated safely and in anenvironmentally-friendly way.TECHNICAL SPECIFICATIONSTransmission mode : 2.4GHz digital FHSS stereoCarrier frequency : 2.4GHzOperating voltage : Transmitter 6 V 300 mA Receiver 2.4 V (2 X rechargeable batteries, LR63/AA size)Frequency response : 20 Hz – 20 KHz (electrical)Distortion : 0.5 %Signal-to-noise ratio : 75 dBChannel separation : 60 dBRange : 30 meters (open area)
TROUBLESHOOTINGNO SOUND-Ensure that the mains adapter is pushed fully into the power outlet andthat its cable is properly connected to the DC IN 6V connector on thetransmitter.-Ensure that the headphone’s On/Off switch is switched to the On-The headphone’s battery charge level may be too low. Recharge thebatteries or replace them with fully charged batteries.-Ensure that your TV set, Hi-Fi system or audio component is switched onand set to a channel that broadcasts an audio signal.-Use the headphone’s volume control to increase the sound level (onlywhen use as a wireless headphone). When use as a corded headphone,the headphone volume can be adjusted at the sound source e.g. Hi-Fi, orTV, etc.-The connected audio/video equipment may not be in playback mode.Start playback on by the equipment.-The headphones output level is set too low. Adjust the volume to asuitable level.DISTORTION- Restart the Pairing process. Press the “Pair” button 3 seconds on thetransmitter and the headphone. The process is finished when both LEDsare in Green.-The headphone’s batteries charge level may be too low. Recharge thebatteries or replace them with fully charged batteries.-Ensure that the volume knob setting is correct.-The headphones may be too far away from the transmitter. Move closer toit.-The audio signal input level is too low. Increase the volume from the audiosource of Hi-Fi, CD, or TV, etc.
This device complies with part 15 of the FCC Rules. Operation is subject to thefollowing two conditions:(1) This device may not cause harmful interference, and(2) this device must accept any interference received, including interference thatmay cause undesired operation.NOTE: This equipment has been tested and found to comply with the limits for aClass B digital device, pursuant to part 15 of the FCC Rules. These limits aredesigned to provide reasonable protection against harmful interference in aresidential installation. This equipment generates uses and can radiate radiofrequency energy and, if not installed and used in accordance with theinstructions, may cause harmful interference to radio communications. However,there is no guarantee that interference will not occur in a particular installation. Ifthis equipment does cause harmful interference to radio or television reception,which can be determined by turning the equipment off and on, the user isencouraged to try to correct the interference by one or more of the followingmeasures:—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 whichthe receiver is connected.—Consult the dealer or an experienced radio/TV technician for help.Changes or modifications not expressly approved by the party responsible forcompliance could void the user’s authority to operate the equipment.

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