INTRODUCTION
These 2.4 GHz digital wireless
headphones use the latest digital
wireless technology, so you can enjoy
crystal-clear stereo music and TV
sound anywhere inside your home.
Simply connect the transmitter to your
portable device, TV set or other audio
source. Without complicated wiring
and installation, the system enables
you to enjoy thrilling, lifelike sound in
minutes.
Please take a few minutes
to carefully read the instructions
below before operating your
headphones.
COMPONENT
PART LIST (FIG. A)
HEADPHONE RECEIVER
1. Signal link LED
2. Volume Up (+) and Down (-) Control
3. Power LED
4. Power button
5. Charging contacts
TRANSMITTER
6. Power/Signal LED
7. Charge LED
8. Charging pins
9. Attenuation (ATT) select switch
(0dB and -8dB)
10. RCA Audio In sockets
11. DC IN socket
ACCESSORIES
12. Audio cable
13. NMH AAA size batteries for
Headphone (2 pieces)
14. AC/DC adaptor
CONNECTIONS (FIG. B)
TRANSMITTER
1. Connect the supplied AC/DC power
adaptor to an AC wall outlet.
2. Connect the AC/DC power adaptor
cable to the DC jack located on
the rear of the transmitter. The red
Power/Audio Signal LED starts to
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3. Connect the supplied audio cable
to the transmitter’s RCA Audio In
sockets. Connect the other end of
the cable to the audio output jack
of your portable device, TV or other
audio source. If your audio source
does not have a 3.5mm output
connector you may need to acquire
another cable (not included).
4. For TV/VCR/DVD/Hi-Fi sources, set
the ATT switch to -8dB. For portable
device sources, set the ATT switch
to 0dB
Turn on and begin playing your audio
source; the transmitter will automatically
switch on and the red Power/Signal
LED will light red when it receives an
audio signal.
HEADPHONE RECIEVER
1. To install or replace the rechargeable
batteries, carefully rotate the
Right-
Hand Side (R)
Ear Pad counter-clockwise and
remove it. (Fig. C)
2. Insert the two supplied AAA
size rechargeable batteries into
the battery compartment of the
headphone housing, observing the
correct polarity.
3. After inserting the batteries, restore
the Ear Pad to the headphone
housing, according to the indication
of the arrow marking.
OPERATION
TRANSMITTER
Turn on the audio source to which the
transmitter is connected.
The Power
/ Signal LED (6)
on the transmitter
will light red when it receives an audio
signal.
HEADPHONE RECEIVER
1. Turn on the headphones by
pressing the
Power button (4)
for
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Power LED (3)
will light up, and the
green LED (1)
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the signal link between transmitter
and receiver is established, the
green LED (1)
will light up steadily.
2. Place the headphones on your head.
To obtain the desired sound level,
adjust the
volume control (2)
on the
headphones.
3. If interference or poor signal
reception occurs when out of range
of the transmitter, the headphones
will mute and the
green LED (1)
will turn off. Move closer to the
transmitter.
4. When the headphone batteries are
at low level, the
Power Red LED
(3)
blinks. There will be a beeping
sound in each minute for the last 5
minutes. After that, the headphones
will switch Off automatically.
5. To charge the headphone batteries,
turn the headphones OFF by pressing
the
Power button (4)
for about 1
second. Place the headphones on
the transmitter’s charging cradle.
The charging process begins
automatically, and the
Charge green
LED (7)
will blink when the
charging
contacts of the transmitter (8)
and
headphones (5)
make proper
contact. When the charging process
is completed, the
Charge green
LED (7)
will light up steadily.
NOTE: For the initial use, please
charge the batteries for 7 hours.
To ensure a long service life, fully
charge the batteries before using the
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headphones are not in use, please
store them on the transmitter’s
charging cradle. (Fig. D)
IMPORTANT
1. Switching Off
a) To protect the transmitter and
conserve power, the transmitter
will switch off automatically if
there is no audio source signal
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the audio source signal returns,
the transmitter will automatically
switch on. To listen, press the
headphones’ Power button again
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b) The headphones will automatically
switch off if they receive no signal
from the transmitter for 3 minutes.
2. Make sure the headphones are
turned off when charging is in
process.
3. Use only the rechargeable AAA
batteries supplied with the
headphones. When the headphones
are not in use, turn the headphones
OFF.
4. Ensure the charging socket located
on the right headphone housing
connects securely with the charging
prongs on the transmitter cradle.
According to the capacity of the
included rechargeable batteries, the
battery charging process will take
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This device must be used with the AC/
DC adaptor supplied in the package.
WARNING
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conventional dry cell batteries.
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or the like.
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non-rechargeable batteries to replace
the supplied rechargeable (LR03/
AAA) batteries
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earphones and headphones can
cause hearing loss.
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batteries, always make sure that the
batteries in the headphones are the
rechargeable types.
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batteries conforming to local waste
disposable rules. Never throw
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supplied 5V DC, 550mA AC/DC
adapter only. Check that the AC
voltage stated on the AC/DC adapter
is the same as that available in your
country. Using the transmitter with a
different AC/DC adapter makes the
warranty void.
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after use.
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transmitter case. Refer servicing to
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cleansers, or paint thinners to clean
the headphones or transmitter.
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applications described in this manual
only. JBL cannot accept any liability
for damages resulting from improper
handling or misuse.
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any environments where drops or
splashes can make contact with
the equipment and make sure that
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vases, are placed on the equipment.
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from the mains power by pulling the
mains plug out of the wall outlet. The
power disconnect procedure must
be easily accessible.
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must always be ready to use.
JBL
®
WR2.4
Wireless Rechargable Headphones
QUICK-START GUIDE
