Precautions
• When the transmitter
is not to be used for a
long period of time, disconnect
the AC power
adaptor
from the AC outlet holding
the plug.
Do not pull on the cord.
• Do not leave the wireless
stereo headphone
system
in a location
subject to direct sunlight,
heat or moisture.
Notes on headphones
Preventing
hearing
damage
Avoid using headphones
at high volume.
Hearing
experts advise against
continuous,
loud
and extended
play. If you experience
a ringing
in
your ears, reduce the volume
or discontinue
use.
Caring
for others
Keep the volume
at a moderate
level. This will
allow you to hear outside
sounds
and to be
considerate
to the people around
you.
If you have any questions
or problems
concerning
the system that are not covered
in this
manual,
please
consult the nearest
Sony dealer.
Be sure to bring the headphones
and the
transmitter
to the Sony dealer when
requiring
repair work.
Troubleshooting
Problem
Solution
No sound/
M uffled
sound
Turn
on the transmitter
first, then put
on the headphones.
Check
the connection
of the audio/
video
equipment
or the AC power
adaptor.
Check
that the audio/video
equipment
is turned
on.
Turn
up the volume
on the connected
audio/video
equipment,
if the
transmitter
is connected
to the
headphones
jack.
MDR-RF920RK:
Change
the radio
frequency
with
the
CHANNEL
selector
on the
transmitter,
then tune
the headphones
with
the TUNE
control.
MDR-RF960RK:
Change
the radio
frequency
with
the
CHANNEL
selector
on the
transmitter,
then press
the TUNE
button
again.
The mute
function
is activated.
Use the headphones
near
the
transmitter.
The headphones'
POWER
indicator
light is weak
or turned
off.
• (harge
the supplied
rechargeable
batteries
or if the POWER
indicator
is still off after charging
the
supplied
rechargeable
batteries,
take
the headphones
to a Sony
dealer
for
replacement
of the rechargeable
battery.
If you connect
the transmitter
to the
LINE
OUT or RE(
OUT jacks of an
audio
reproducer,
make
sure that the
NOISE
FILTER
switch
is set to OFF.
Make
sure that the NOISE
FILTER
switch
is set to either
ON
or ()FF
(If
the switch
gets stuck
between
ON and
OFF, the sound
will be cut off).
12 GB