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Problem
Distortion
Loud
background
noise
Solution
If the transmitter is connected to the
headphones jack, lower the volume of
the audio/video equipment
connected to the transmitter.
Change the radio frequency with the
CHANNEL selector on the transmitter.
The headphones’ power indicator
light dims, flashes or goes off.
•Charge the rechargeable batteries if
the headphones’ batteries are weak,
or replace dry batteries with new
ones. If the power indicator is still
off after charging the batteries, take
the headphones to a Sony dealer.
If you connect the transmitter to the
LINE OUT or REC OUT jacks of an
audio reproducer, make sure that the
NOISE FILTER switch is set to OFF.
If the vibration switch is ON, you may
hear vibration noise. This is not a
malfunction.
Move closer to the transmitter. As you
move away from the transmitter, more
noise is likely to be heard.
If the transmitter is connected to the
headphones jack, raise the volume of
the audio/video equipment
connected to the transmitter.
Change the radio frequency with the
CHANNEL selector on the transmitter,
then press the TUNE button again.
The headphones’ power indicator
light dims, flashes or goes off.
•Charge the rechargeable batteries if
the headphones’ batteries are weak,
or replace dry batteries with new
ones. If the power indicator is still
off after charging the batteries, take
the headphones to a Sony dealer.
If you connect the transmitter to the
LINE OUT or REC OUT jacks of an
audio reproducer, make sure that the
NOISE FILTER switch is set to OFF.
Problem
The batteries
cannot be
charged
Solution
Check if the charging indicator light is
green. If not, put the headphones on
the transmitter correctly so that the
charging indicator light is green.
Dry batteries are installed.
•Install the supplied rechargeable
nickel-metal hydride batteries.
Rechargeable batteries other than the
supplied are installed.
•Install the supplied rechargeable
nickel-metal hydride batteries.