Farenheit WLHP-2 Owner Manual

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HIGH FREQUENCY MODULATION
WIRELESS INFRARED
STEREO HEADPHONE
OWNERS GUIDE
Before operating the system, please read this manual thoroughly
and retain it for future reference.
Table of Contents
Overview
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OVERVIEW
The WLHP 2 Is a true wireless headphone system which uses latest high frequency
modulation Infrared technology. You can enjoy music by simpy connecting the
supplied Infrared transmitter to any of your audio/video equipment through either
a line output jack or a headphone jack. This system is easy to set up within your
car. It provides you with ultimate personal listening freedom.
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INFRARED TRANSMITTER RECEIVER HEADPHONE
Features
An optical transmission system with high frequency modulation guarantees excellent and
surround sound quality and wide effective transmission range.
The well designed transmitter and headphone with built-in receiver are omnidirectional
in sending and receiving audio signals within a 7 meter radius, which are generally
not susceptible to be blocked by objects between them.
True surround sound, elegant design and rich finish of the system add into the beauty
of your expesive automobile entertainment systems.
The signal input level is automatically adjusted by the built-in Automatic Input
Level Control Circuit (ALC).
Since this system uses infrared rays, if the headphones/receivers are placed too far from the
transmitter, a hissing noise may increase. This is a characteristic of infrared systems and
does not mean that the system is defective. Do not use this sytem in the open air under
direct sunlight as the infrared system will not work properly.
Precautions
* Operate the transmitter on 12V 200mA. Operate the headphone system on 3V DC (size AAA
batteries x 2).
* Turn off the power of the transmitter and the headphone when the system is not in use.
* Do not open the cabinet. Refer servicing to qualified personne! only.
* Do not leave the system in a location near heat sources such as radiators or airducts,
or in a place subject to direct sunlight, excessive dust, moisture, rain, mechanical
vibrantion, or shock.
* Do not use alcohol, benzine or thinner to clean the cabinet.
Transmitter
_
FRONT BACK
1. Infrared emitter
2. Audio input
3. DC input jack
Headphone
. Infrared sensors
Power Switch
. Stereo / mono
Volume Controls
Battery Compartment Door
. Ear pad
. Adjustable headband
NO Os LN
Power Source
*IR Surround Transmitter
- —
1 4
1. Turn the power OFF
2. Plug the AC power in the DC jack (12V 200mA)
* IR Stereo Headphone
1. Open the battery compartment door on the right of the headphone.
2. Insert two size AAA batteries with correct polarity.
3. Close the battery comparment.
1. Turn on the audio/video equipment connected to the
transmitter.
POWER
2. Turn on the power switch for headphone.
ON/OFF
3. Adjust volume control on the left side. Do not cover the
sensors while adjusting volumes.
4. Turn on the stereo switch for stereo effect. For Mono
audio/video eugipment, turn the switch to the mono position.
5. Receiving Positions
The headphone/Receiver receives audio signals omni-directionally and in
line-of-sight within certain effective ranges.
For best reception, use the headphone.
within 5 meters from the emitter of the transmitter.
Specifications
Surround Transmitter:
Power requirements
Effective Angular Range
Weight
Stereo Headphone:
Type
Drive Unit
Impedance
Frequency Response
S.P.L.
Distortion
Infrared Wavelength
Modulation
Carrier Frequency
Power Requirements
Battery Life (at 10mv output)
Weight
Effective Range
12V DC 200mA
120 degrees
About 55 grs
Open air dynamic
40mm mylar cone
32 OHM +/-6.4 OHM
20 Hz -23 Hz
98 dB/nom. dev.
1% THD at nom. Dev.
845mm +/-5mm
High frequency modulation
Right 2.8 MHz, Left 2.3 MHz
3DCV (1.5 V AAA x 2)
About 48 hours
About 170grs (excl batteries)
About 7 metters