Acoustic Arc AAI-DH1080-00 Wireless Headphone System User Manual

Acoustic Arc International Ltd. Wireless Headphone System

User Manual

DH1080 2.4GHz DigitalWireless/Wired Headphonewith Noise CancellingInstruction Manual(Read carefully the instructions before using this system)
21. WELCOMEThank you for purchasing this system! This 2.4GHz stereo digital headphonesystem offers you advances in wireless transmission technology with built-innoise cancelling feature in which you can listen to ultra stereo sound from youraudio components. The universal transmitter dongle is compatible to anyaudio sources, say DVD player, CD player, i-pod, i-phone, MP3, TV set, VCR,Hi-Fi system or radio. Line-In Jack on headset can also work as a wiredheadset.2. FEATURES•2.4GHz FHSS Digital technology•High quality stereo sound that is virtually interference-free•Transmission is not restricted solely to line of sight•Noise Cancelling Feature on Headphone•Digital Pairing System on Headphone & Transmitter•Electronic Volume Control on Headphone•Built-in Rechargeable Lithium Battery pack in Dongle and Headphone•Auto Shut-off on Headphone•Auto On/Off RF function on transmitter•3.5mm Line in feature for corded headphone application•Operating distance up to 15 feet•Airplane audio adapter3. PACKAGING•RF receiver headphone•RF dongle transmitter•Power adapter with•USB charging cable with 2x charging ports•3.5mm to 3.5mm audio cable•Airplane audio adapter•Travel Case•Instruction manual
34. INSTALLATIONDONGLE TRANSMITTER•Press the Power button on dongle for 3 seconds until Blue LED lights up.•Plug in the 3.5mm audio plug to your audios Source.•Turn on your audio source and the LED will flash.HEADPHONE RECEIVER•Press the Power button for 3 seconds on the Right side to turn on wirelessfeature and Green LED will light up.•The headphone is now linked up with dongle and LED will turn to Blue.•Turn on Noise Cancelling feature by tuning the On/Off switch on Left sideto On.1. 2.4GHz On/Off2. 3.5mm audio jack3. PAIR4. VOL+, VOL-5. ANC ON/OFF6. 2.5mm DC jack7. 3.5mm audio wirePowerbutton2.5mm DC jack
45. OPERATIONSTo start up this system and enjoy the music, please take following steps:•Turn on the audio source, plug in the 3.5mm plug of the donglewith audio source•Turn on the dongle by pressing the Power buttons for 3 seconds.Blue LED will light up.•Turn on the headphone receiver by pressing Power button for 3seconds, LED will be Green.•When the audio link is established between dongle andheadphone, Blue LED on dongle flashes and headphonebecome solid.•Turn on Noise Cancelling feature on headphone by moving theOn/Off switch on the left side to On.•When listening is ended, turn OFF the dongle and headphone bypressing Power button for 3 seconds. Turn off Noise Cancellingfeature on headphone by moving the On/Off switch on the leftside to Off.Pairing:If the headphone remains not working after following the operation processesabove, start Pairing process by pressing the Power button for 12 seconds In thedongle in shutdown state. After that, pressing the headphone pair button untilthe blue LEDs flash. The LEDs will change to solid blue when pairing process isfinished.NOTE:In order to protect the dongle and save power, the dongle will automaticallyswitch to stand-by mode (LED will turn off) after approximately 2 minutes if thereis no audio signal, or the signal that it receives from the audio source is tooweak for proper reception. If however the signal returns to an acceptable level,then the transmitter will automatically switch back on. The dongle willautomatically shut off if stand-by mode last for more than 15 minutes.The headphone receiver will automatically shut off if getting no signal fromtransmitter in 15 minutes.
5CHARGING THE BATTERIES•Switch OFF both the dongle and headphone.•Apply the charging cable one end with 2 charging ports and the otherwith USB.•Charging can be processed by connecting with PC or with poweradapter.•Charging dongle and headphone can be processed simultaneously.•Be sure to charge new batteries for 5 hours before using them for thefirst time in the dongle and headphone. The red indicator light (LED)will be on continuously during battery charging.•When charging is finished, the dongle LED will be green andheadphone red LED will be off.Corded 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 then enjoythe audio in wired mode.WARNINGS:** The battery pack must be fully charged before first use. An initial 5 hourscharge is required to guarantee an acceptable service life for the rechargeablebatteries. Always ensure that the dongle and the headphones are switched tothe Off position while the batteries are charging.
6FCC statementsThis device complies with Part 15 of the FCC Rules. Operation is subject tothe following two conditions: (1) this device may not cause harmfulinterference, and (2) this device must accept any interference received,including interference that may cause undesired operation.Warning: Changes or modifications to this unit not expressly approved by theparty responsible for compliance could void the user's authority to operate theequipment.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 the instructions,may cause harmful interference to radio communications.However, there is no guarantee that interference will not occur in a particularinstallation. If this equipment does cause harmful interference to radio ortelevision reception, which can be determined by turning the equipment off and on,the user is encouraged to try to correct the interference by one or more of thefollowing 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 towhich the receiver is connected.- Consult the dealer or an experienced radio/TV technician for help.
76. TECHNICAL SPECIFICATIONSTransmission mode : 2.4GHz FHSS digital stereoCarrier frequency : 2.4GHzOperating voltage : Transmitter 3.7VReceiver 3.7V (Lithium Rechargeable battery pack included)Frequency response : 90 Hz – 20 KHz (electrical)Distortion : 0.5 %Signal-to-noise ratio : 70dBChannel separation : 40 dBRange : Up to 15 feet (open area)Noise Cancelling : 17dB
87. TROUBLE SHOOTINGNO SOUND•Ensure that the dongle is On and connect properly with youraudio source•Ensure that the headphone is on.•The headphone/dongle battery charge level may be too low.Recharge the battery pack again.•Ensure that your DVD, TV set, Hi-Fi system or audiocomponent is switched on and set to a channel that broadcastsan audio signal.•Use the headphones volume control to increase the sound level(only when use as a wireless headphone).•The audio signal input level is too low. Increase the volumefrom the audio source of Hi-Fi, CD, or TV, etc.•The connected audio/video equipment may not be in playbackmode. Start playback on by the equipment.•The headphone output level is set too low. Adjust the volume toa suitable level.DISTORTION•Restart the Pairing process. Pressing the Power button for 12seconds In the dongle shutdown state. After that, pressing theheadphone pair until the blue LEDs flash. The LEDs will changeto solid blue when pairing process is finished.•The headphone/dongle battery pack charge level may be toolow. Recharge the battery pack.•Ensure that the volume knob setting is correct.•The headphones may be too far away from the transmitter.Move closer to it.•The audio signal input level is too low. Increase the volume fromthe audio source of Hi-Fi, CD, or TV, etc.

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