DHP190
2.4GHz Digital Wireless Headphone
User’s Manual
Please read before using the equipment.
INTRODUCTION
This 2.4GHz Digital Wireless Headphone uses latest digital wireless technology that
enables you to enjoy music and TV sound anywhere inside your home. Simply connect the
transmitter to a desired audio source: DVD player, CD player, TV set, VCR or Hi-Fi system.
Without complicated wiring and installation with your Audio/Video equipments and rear
channel amplifier, the system enables you to enjoy thrilling, lifelike sound in minutes.
FEATURES
1. 2.4GHz Digital UHF Technology.
2. 26-Channel Auto Frequency Searching System.
3. Smart Volume Memory Built-in.
4. Electronic Volume Control.
5. Low Power Indicator Alert.
6. High Power 3 x NiMh Batteries
7. Auto Pin Charging Mechanism.
8. Auto On/Off.
9. Auto Shut Off.
10. Muting.
11.
Speed charging mechanism.
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COMPONENT PART LIST
NiMh batteries for Headphone
AC/DC adaptor ( 1x 9V 400mA for
A) TRANSMITTER
B) HEADPHONE RECEIVER
1. Power & Charging indicator.
2. Charging pins.
3. Audio IN socket.
4. DC IN socket.
5. Volume Up & Down Control.
6. Charging LED indicator.
7. Charging contacts.
C) ACCESSORIES
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8. ON/OFF Control.
9. Power LED indicator.
10. RCA cable.
11.
(3 pieces).
12. 3.5mm to 6.3mm adaptor plug.
13.
transmitter).
INSTALLATION
TRANSMITTER
1. Connect the supplied AC/DC power adaptor to an electrical wall outlet.
2. Plug the AC/DC power adaptor in the DC jack located on the rear of the transmitter.
3. The rear of the transmitter has one audio cord that can be connected to audio output
jack of TV, VCR, Hi-Fi, CD/MP3/VCD/DVD players or to headphone/earphone jack
with the connector provided.
Plug the adaptor in the AC source and connect the audio plug to the audio source. The
transmitter will automatically switch on and the red LED will light up when it receives an
audio signal.
HEADPHONE RECEIVER
1. To install or replace the rechargeable batteries, carefully remove the leather padding
around the left and right earphone plates out from the cabinets.
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2. Insert 2pcs of AAA size rechargeable batteries (supplied in the package) into the right
earphone’s battery compartment and 1pc of AAA size rechargeable battery (supplied
in the package) into the left earphone’s battery compartment. Make sure the batteries
are placed at the right polarity.
3. Cover the leather padding back after inserted the batteries.
OPERATION
Transmitter
1. Turn on the audio source (TV or audio component) to which the transmitter is connected
with. The Charging / Power LED on the transmitter will light up in red when it receives the
audio signal.
Charging / Power LED
Headphone
1. Turn on the headphone by pressing the Power button. The POWER LED (Red) will
light up, the green LED will be flashing until signal link between transmitter and
receiver is established.
Power LED
(Red)
Signal LED
(Green)
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2. Gently place the headphone on your head and adjust for comfort. To obtain the
desired sound level, you can adjust the volume control on the headphone. After you
have adjusted the volume in the first time, the smart built-in volume memory will
memorize your latest volume level automatically.
3. If interference or poor signal reception occurs, the headphone will perform the muting
function automatically, and it will search the best channel out of the 26 channels
available. The green LED will be flashing when it is searching for the best channel.
4. Charging the batteries
a) Turn OFF the headphone first.
b) Place the headphone on the transmitter’s charging cradle. The charging
process begins automatically, and the charging LED will light up in blue when
the charging contacts of transmitter and headphone are made successfully.
When the charging process is completed, the blue LED will turn off.
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c) With the smart speedy charging function, the headphone could be fully
charged within 5 hours. If the headphone is not in use, please place it
back to the transmitter’s charging cradle.
Important:
1. Switching Off
a) For protection of the transmitter and power saving, the transmitter will switches
off automatically if there is no audio source signal for 3 minutes. If the audio
source signal returns, the transmitter will automatically switches back on. Then,
power on the headphone again.
b) The headphone will switch off automatically if there is no signal from the
transmitter for 2 minutes.
2. Make sure the headphone is turned off when charging is in process.
3. Only use the included rechargeable AAA batteries. When the headphone is not in use,
turn the headphone OFF.
4. To ensure a long service life, fully charge the batteries before using the headphone for
the first time. The initial charge takes 5 hours to complete. Ensure the charging socket
located on the right earphone connects securely with the charge prongs on the
transmitter cradle.
This device must be used with the AC/DC adaptor supplied in the package.
TROUBLE SHOOTING
NO SOUND
-
Ensure the AC/DC adaptor is fully inserted into the AC outlet and the power
connection input on the transmitter.
-
Ensure the headphone is switch ON.
-
Headphone battery charge level may be too low, recharge the batteries fully.
-
Ensure the TV or the connected audio device is switched ON.
-
The volume of headphone may be too low, adjust the volume to a moderate
level.
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DISTORTION
Headphone, 3 x AAA size Rechargeable NiMh
-
Ensure the volume level of headphone is set to an approximate level.
-
The headphone is too far from the transmitter, move it closer.
-
The audio signal input level is too low. Increase the volume of the audio source.
TECHNICAL SPECIFICATIONS
Transmission Mode : UHF stereo
Carrier Frequency : 2.4GHz Digital
Operation Voltage : Transmitter, DC 9V 400mA
batteries (included)
Frequency Response : 30Hz – 20KHz
Distortion : 0.5%
S/N Ratio : 80dB
Operation Distance : Up to 50 Meters
NOTE:
Federal Communication Commission Interference Statement
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 television reception, which can be determined by
turning the equipment off and on, the user is encouraged to try to correct the
interference by one 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.
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This device complies with Part 15 of the FCC Rules. Operation is subject to the
following two conditions: (1) this device may not cause harmful interference,
and (2) this device must accept any interference received, including interference
that may cause undesired operation.
Changes or modifications not expressly approved by the party responsible for
compliance could void the user's authority to operate the equipment.
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