Uni Art Precise DHP390-001R 2.4GHz Digital Wireless Headphone User Manual DHP390 UM Graphics

Uni-Art Precise Products Ltd 2.4GHz Digital Wireless Headphone DHP390 UM Graphics

Users Manual

Each Page in Size 148 x 210 mm
DHP390
2.4GHz Digital Wireless Headphone
User's Manual
Please read before using this equipment.
Cover
Page
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2345
6
7
Each Page in Size 148 x 210 mm
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.
26-Channel Auto Frequency Searching System.
Smart Volume Memory Built-in.
Electronic Volume Control.
Low Power Indicator Alert.
High Power 3 x NiMh Batteries
Auto Pin Charging Mechanism.
Auto On/Off.
Auto Shut Off.
Muting.
Speed charging mechanism.
Duplex Transmission
1.
2.
3.
4.
5.
6.
7.
8.
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10.
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12.
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COMPONENT PART LIST
A) Transmitter
1. Power & Charging indicator
2. Charging pins
3. Audio IN socket
4. DC IN socket
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2
34
B) Headphone Receiver LEFT RIGHT
5. Volume Up & Down Control
6. Charging LED indicator
7. Charging contacts
8. ON/OFF Control
9. Power LED indicator
5
6
7
8
9
C) Accessories
10. RCA cable
11. NiMh batteries for Headphone(3 pieces)
12. 3.5mm to 6.3mm adaptor plug
13. AC/DC adaptor ( 1x 9V 400mA for transmitter)
10
11 12
13
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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 blue LED will start flashing when it receives
an audio signal.
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2
3
HEADPHONE RECEIVER
1. To install or replace the rechargeable
batteries, carefully remove the earpad
m o u n t i n g fr o m t h e l e f t an d r i g h t
earphone cabinets.
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. Snap the earpad mounting back to the
earphone cabinets after inserted the
batteries.
LEFT RIGHT
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4
OPERATION
TRANSMITTER
Turn on the audio source (TV or audio component) to which the transmitter is connected
with. The Charging / Power LED on the transmitter will start flashing in blue when it
receives the audio signal.
CHARGING / POWER LED
HEADPHONE RECEIVER
1. Turn on the headphone by pressing the Power button. The POWER LED (Blue) will light
up, the green LED will be flashing until signal link between transmitter and receiver is
established.
LEFT RIGHT
POWER LED
(Blue)
SIGNAL LED
(Green)
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.
(Con'd)
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 red when the charging
contacts of transmitter and headphone are made successfully. When the charging
process is completed, the charging LED will light up in green.
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.
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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.
CHARGING LED
(Red / Green)
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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.
Distortion
- 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
Carrier Frequency
Operation Voltage
Frequency Response
Distortion
S/N Ratio
Operation Distance
:
:
:
:
:
:
:
UHF Stereo
2.4GHz Digital
Transmitter, DC 9V 400mA
Headphone, 3 x AAA size Rechargeable NiMh
batteries (included)
30Hz 20KHz
0.5%
80dB
Up to 150 feet
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7
FEDERAL COMMUNICATIONS COMMISSION (FCC) STATEMENT
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 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 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 compliance could void the user's authority to operate the equipment.
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.
(2)This device must accept any interference received, including
interference that may cause undesired operation.
FCC RF RADIATION EXPOSURE STATEMENT:
This equipment complies with FCC RF radiation exposure limits set forth
for an uncontrolled environment. This device and its antenna must not be
co-located or operating in conjunction with any other antenna or
transmitter.
IMPORTANT NOTE:
This device has been tested for compliance with FCC RF Exposure (SAR)
limits in typical configurations.
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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