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NO SOUND

-

Ensure that the mains adapter is pushed fully into the power outlet and 
that   its  cable  is  properly  connected   to  the  DC  IN connector  on  the 

transmitter.

-

Ensure that the Headset Receiver Power ON/OFF switch is switched 
to ON.

-

The charge level of Battery inside Headset Receiver may be too low. 
Recharge the battery or replace them with fully charged batteries.

-

Ensure that the TV set, Hi-Fi system or audio component is switched 
ON and set to a channel that broadcasts an audio signal.

-

Use   the   Volume   Control   on   the   Headset   Receiver   to   increase   the 
sound level.

-

The connected audio/video equipment may not be in playback mode. 
Start playback on by the equipment.

-

The Headset Receiver output level is set too low.  Adjust the volume to 
a suitable level.

DISTORTION

-

The charge level of Battery inside Headset Receiver may be too low. 
Recharge the battery or replace them with fully charged batteries.

-

The Headset Receiver may be too far away from the Transmitter. Move 
closer to it.

-

The Audio Signal input level is too low. Increase the volume from the 
audio source.

In case the headset receiver cannot be linked with the transmitter. Please 

follow the following procedure for Pairing: 

1.

Turn 

OFF

 the power of the Transmitter.

2.

Turn 

ON

 the Headset Receiver.

3.

Press and Hold the MIC Button for about 5 seconds, the Green LED flash 

Summary of Contents for DH900

Page 1: ...2 4GHz WIRELESS DIGITAL HEADSET...

Page 2: ...CD player TV set Hi Fi system or iPod Without complicated wiri tion the system enables you to enjoy thrilling lifelike sound in minut URES 4GHz Digital Hopping System Technology ocking Charge Mechanis...

Page 3: ...eadset Receiver ansmitter olymer Lithium Rechargeable Battery x 2 pieces C DC Adapter CA Adapter Cable udio Cable both ends with 3 5 mm stereo plug...

Page 4: ...ght Adjustable Earbud eft Adjustable Earbud olume Control ED Indicator of Power Signal ute Button for Verbal Communications ower On Off Switch icrophone ound Balance Control Left Middle Right attery...

Page 5: ...dicator of Tone Clarity one Clarity Button ED Indicator of Power Signal ED Charging Indicator for Main Battery attached to Headset Receiv ED Charging Indicator for Spare Battery pare Charging Slot C I...

Page 6: ...l onnect the Power Adapter provided to an Electrical Outlet CA Adapter Cable Audio Cable 6 3 mm to 3 5 mm Adapter Plug E icrophone and are provided for various type of connection t udio Source e g TV...

Page 7: ...or audio component th ansmitter is connected to The Green LED Indicator will glow const elect the On Off Switch in the Headset Receiver to ON position th reen Signal LED Indicator glows djust the Volu...

Page 8: ...n Off Switch in the adset Receiver to OFF position ce the Headphone Receiver on Transmitter make sure the Charge ntact touches the Charge Pins on the nsmitter e Charging process starts automatically D...

Page 9: ...e hearing los TANT t should be operated with rechargeable batteries only When replacing the b disposing of the unit always comply with applicable laws relating to the ries Please place them in a prope...

Page 10: ...NS ission mode Digital Hopping System frequency 2 4GHz ISM BAND l ng voltage Transmitter 5V 550mA Receiver 3 7 V 350 mA Lithium Polymer Ba ncy response 30 Hz 20 KHz on 0 5 to noise ratio 75 dB Up to 2...

Page 11: ...iver to increa sound level The connected audio video equipment may not be in playback Start playback on by the equipment The Headset Receiver output level is set too low Adjust the vol a suitable leve...

Page 12: ...e Green LED on Headset Receiver lights steadily...

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