Sony MDR-IF540RK Manual

Troubleshooting

No sound/Muffled sound

, Turn on the transmitter first, and then

put on the headphones.

, Check the connection of the audio/

video equipment or the AC power
adaptor.

, Check that the audio/video equipment

connected to the transmitter is turned
on.

, If the transmitter is connected to the

headphones jack, raise the volume of
the audio/video equipment connected
to the transmitter.

, The mute function is activated.

• Check if there is any object between

the transmitter and the headphones.

• Use the headphones near the

transmitter.

• Change the position and angle of 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.

, Set the ATT switch on the transmitter

to OFF.

Distorted sound

, If the transmitter is connected to the

headphones jack, lower the volume of
the audio/video equipment connected
to 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.

, Set the ATT switch on the transmitter

to ON.

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
and remove the batteries to avoid
damage caused by battery leakage
and subsequent corrosion.

• Do not leave the cordless stereo

headphones system in a location
subject to direct sunlight, heat or
moisture (It is recommended to use
the headphones at a temperature of
between 5˚C and 35˚C (between 41˚F
and 95˚F).)

• Do not drop, hit or otherwise subject

the transmitter or headphones to
strong shocks of any kind. This could
damage the product.

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,
lower 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
nearest Sony dealer.
Be sure to bring the headphones and
the transmitter to Sony dealer when
requiring repair work.