Uni Art Precise HP4192-001R 900MHz Wireless Headphones User Manual HP4190A

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Document ID	1963487
Application ID	noLpNFa1opKR3HRyCyK/GQ==
Document Description	Manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	60.38kB (754702 bits)
Date Submitted	2013-05-13 00:00:00
Date Available	2013-05-13 00:00:00
Creation Date	2013-04-29 16:07:44
Producing Software	FREE PDFill PDF and Image Writer
Document Lastmod	2013-05-02 14:48:54
Document Title	Microsoft Word - HP4190A.doc
Document Creator	PScript5.dll Version 5.2.2
Document Author:	KenChan

INTRODUCTION
This 900MHz compact stereo headphones takes advantage of the very
latest advances in wireless transmission technology so that you can listen to
music or the sound from your TV set both in the house and outdoors. All you
have to do is connect the transmitter to any audio source: DVD player, CD
900MHz Wireless Headphone
player, TV set, VCR, Hi-Fi system or radio (range 50 meters).
FEATURES
1.
Auto Scanning system on headphone
2.
Phase Lock Loop (PLL) transmission system on transmitter
3.
Automatic battery recharging (batteries supplied).
4.
900MHz RF technology.
5.
RF technology leaves you completely free to move around.
6.
Transmission is not restricted solely to line of sight.
7.
Rechargeable receiver headphones.
8.
Charger built into the transmitter.
9.
High quality stereo sound that is virtually interference-free.
10.
Automatic Level Control (ALC) and Auto On/Off function.
HP4190A
User's Manual
COMPONENT IDENTIFICATION
COMPONENT IDENTIFICATION
RF transmitter
RF receiver headphones
Power On/Off switch
Power On indicator light
Charge contacts
12 V 200 mA mains adapter
Jack plug adapter (3.5 mm/6.3 mm diameter)
RCA socket audio adapter
Charge indicator light
10
Operating indicator light
11
Audio connection cable with 3.5 mm jack plug
12
Volume control knob (VOL)
13
AUTO SCAN indicator
14
AUTO SCAN button
15
Channel selector (CHANNEL 3 2 1)
16
DC IN connector
17
Audio input cable
18
AAA rechargeable batteries x 2 pcs.
INSTALLATION
TRANSMITTER
1.
Connect the mains adapter provided to an electrical outlet.
2.
Connect the mains adapter cable to the DC IN input connector located
on the transmitter rear panel.
3.
A cable is provided from the transmitter rear panel that can be
connected to the audio outputs (Left and Right) present on a TV set,
NOTE:
Hi-Fi
You should then be able to move around freely from one room to another
system,
VCR
or
radio-cassette
player,
or
to
without any interference. If interference does occur (interruptions in the
headphones/earphones output using the connector supplied.
signal), press the "Auto Scan" button once to find a better reception channel.
The red Auto On indicator light will light up as soon as you have connected
the power adapter to the mains outlet and the audio cable to a signal source.
from the transmitter when you press the "Auto Scan" button.
If the Auto On indicator light remains off, switch on the audio source and
increase its output level until the red indicator light comes on.
For better stereo reception, stay approximately seven meters away
If it is impossible to find a satisfactory frequency, change the setting on
your transmitter, then press the "Auto Scan" button on the headphones
RECEIVER HEADPHONES
1.
2.
3.
to find the corresponding channel.
Remove the ear cushion holder on the receiver headphones.
You will
To both protect the transmitter and save power, the transmitter automatically
find a battery compartment right there under the holder.
switches off after approximately four minutes if the signal that it receives
Insert a rechargeable HR03/AAA size batteries at both right / left
from the audio source is too weak for proper reception. If however the signal
earphone, taking care to ensure correct polarity.
returns to an acceptable level, then the transmitter automatically switches
Close the battery compartment cover and also put back the ear
back on.
cushion holder.
CHARGING THE BATTERIES
OPERATION
1. Place the On/Off switch on the receiver headphones in the Off position.
1.
Switch on the sound source (TV set or audio component) that the
2. To recharge the headphone batteries, place the headphones on the
transmitter is connected to.
transmitter, taking care to ensure that the charge contacts touch the
2.
Place the headphones On/Off switch in the On position.
transmitter's charge prongs.
3.
Place the headphones on your head and adjust the volume to obtain
4.
3. The charge process starts automatically and the green indicator light
the desired sound level.
comes on. Be sure to charge new batteries for 24 hours before using
If you cannot find the best reception frequency, press the "Auto Scan"
them for the first time in the headphones.
button on the headphones. The corresponding indicator light will come
on.
WARNING:
REPLACING BATTERIES
Never attempt to recharge conventional dry cells.
Rechargeable batteries have a long service life. If it is however necessary to
Never use another type of battery or non-rechargeable batteries to replace
replace them, proceed as described below:
the rechargeable (HR03/AAA) batteries supplied. When the headphones are
not in use, move the switch to the OFF position to avoid damaging the
1.
Carefully remove the cushion holder on the headphone.
batteries.
2.
You will find a battery compartment at both left / right headphone.
The batteries must always be fully charged before use. An initial 24 hour
3.
Install the AAA side-charged rechargeable batteries as provided.
charge is required to guarantee an acceptable service life for the
4.
Make sure to place with correct right + / - polarity.
rechargeable batteries. Always ensure that the headphones are switched to
5.
Put the cushion holder back onto the headphone.
the Off position while the batteries are charging.
IMPORTANT:
This unit should be operated with rechargeable batteries only. When
replacing the batteries or when disposing of the unit, always comply with
applicable laws relating to the disposal of batteries. Please place them in a
proper disposal container to ensure that they are eliminated safely and in an
environmentally-friendly way. Thank you.
Only use rechargeable batteries of the type specified under the “Technical
specifications” heading.
The rechargeable batteries supplied with the headphones must absolutely
not be taken apart, disposed of in an open fire or short circuited.
TECHNICAL SPECIFICATIONS
TROUBLE SHOOTING
NO SOUND
Transmission mode
: UHF stereo
Carrier frequency
: 900MHz
Operating voltage
: Transmitter – 8V 200 mA
Ensure that the mains adapter is pushed fully into the power
outlet and that its cable is properly connected to the DC IN 12V
Receiver
– 2.4 V (two rechargeable batteries,
HR03/AAA size)
connector on the transmitter.
Ensure that the headphones On/Off switch is switched to the On
The headphones battery charge level may be too low. Recharge
Frequency response
: 7 Hz – 10 KHz
Distortion
: <2%
Signal-to-noise ratio
: >50 dB
Channel separation
: 30 dB
Use the headphones volume control to increase the sound level.
Range
: 50 meters (open area)
The connected audio/video equipment may not be in playback
the batteries or replace them with fully charged batteries.
Ensure that your TV set, Hi-Fi system or audio component is
switched on and set to a channel that broadcasts an audio signal.
mode. Start playback on by the equipment.
The headphones output level is set too low. Adjust the volume to
a suitable level.
DISTORTION
Ensure that the "Stereo" indicator is lit. If not, adjust the tuning
control (Auto Scan) on the headphones until it lights.
Use the channel selector to change the transmitter's transmission
frequency. Then you will need to adjust the tuning control on the
headphones until the "Stereo" indicator comes on.
The headphones battery charge level may be too low. Recharge
the batteries 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 to it.
The audio signal input level is too low. Increase the volume from
the audio source.
WARNING:
1.
Batteries shall not be exposed to excessive heat such as sunshine, fire or the like.
2.
To reduce the risk of fire or electric shock, do not expose this apparatus to
dripping or splashing, and do not place objects filled with liquids, such as vases,
on the apparatus.
3.
As the main plug of AC power adaptor is used to disconnect the AC power adaptor
from the mains, connect it to an easily accessible AC outlet. Should you notice an
abnormality in it, disconnect it from the AC outlet immediately.
4.
When powering by AC household current, these devices must be used with the
AC/DC Power adapter supplied within the package. Do not attempt to power
utilizing other AC or DC Power adapters. Power adapters are for indoor use
only – do not use in wet areas or weather.
NOTE: 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.
10

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