STEREO
INFARED HEADPHONE
IR432
OWNER’S MANUAL
INTRODUCTION
This system gives you complete freedom to enjoy your music without
the inconvenience and limitations of headphone cables. To ensure the
best performance of your stereo IR system. Please read this document
carefully.
FEATURES
1. Transmits the stereo audio signal from your audio or video source to
your IR headphone without wires.
2. Uses high-frequency IR rays to carry audio signal, ensuring clear,
sharp reception.
3. Rechargeable batteries for powering the headphones.
WHAT IS INCLUDED ?
1. IR Stereo Headphone
2. Rechargeable batteries
3. Owner’s Manual
1
EXPLAINATION OF CONTROLS
On the IR stereo headphone receiver (see Figure 1)
1. Power on/off LED indicator.
2. Volume control.
3. Power on/off switch.
4. IR sensors, to receive IR light from the transmitter.
5. Recharge cable input socket to recharge the batteries of the IR
headphone.
6. Charge LED indicator.
Figure 1
2
INSTALLATION
1.
Take out the earpad with battery cover, Insert two AAA rechargeable
batteries into the left and right battery compartment, ensuring that
the polarity is correct. (Figure 2)
2.
Note : Before using the IR headphone for the first time, please
ensure that batteries are fully charged for 10 hours. This will
guarantee a longer operating lifetime of the batteries.
Earpad and battery cover
Figure 2
AAA Rechargeable Battery
3
OPERATION
1.
Switch On the IR transmitter and place it at the same height or
slightly higher than the reception height of the IR headphone.
2.
Position the infrared LEDs towards the listening area, ensuring that
there are no obstacles in between.
3.
Switch the IR headphone On.
4.
Set the volume control to maximum on the IR headphone.
5.
While listening to your IR headphone adjust the volume of the signal
source to the headphone’s maximum acceptable sound level.
6.
Adjust volume control of the IR stereo headphone to a comfortable
listening level.
RECHARGING
1. Switch Off the power of the headphone before charging.
2.
Note : Before using the IR headphone for the first time, please
ensure that the batteries are fully charged for 16 hours. This will
guarantee a longer operating lifetime of the batteries.
3.
Connect the recharge cable from the transmitter into the charge input
of headphone.
4
4. The charge indication LED on the headphone will light to indicate
that the batteries are charging.
5.
The batteries are fully charged after charging for at least 16 hours.
Do not charge longer than 24 hours this will reduce battery
performance. After charging, disconnect the headphone from the
recharge cable.
POSITIONING OF TRANSMITTER
1.
Place the transmitter unit so that the IR transmitter LED
approximately faces the center of your listening area. (Figure 5)
2.
Because IR light travels in a straight line, place the transmitter at the
same height, or slight higher than the reception height of the IR
headphone.
3.
High IR light content such as sunlight and bright incandescent
indoor lighting may degrade the audio signal and cause interference.
If you experience such problems, simply move the system to a
darker area.
5
Figure 5
SPECIFICATION
System : Infrared (IR)
Carrier frequency : Left channel 2.3MHz
Right channel 2.8MHz
Modulation : FM
Power supply transmitter : 100mA, 12V DC
Power supply headphone : 2 x AAA rechargeable batteries
Frequency response : 40 – 12000 Hz
S/N ratio : 50dB
Distortion : 1% THD
Channel separation : 40dB
6
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