Sony MDR-IF240RK - Manual (Page 11)

Operating the system
11 GB
4
Start playback of the
component connected to the
transmitter.
5
Adjust the volume.
If the infrared sensors are covered
by your hands when adjusting the
volume, the mute function will be
activated and volume may not be
adjusted. To adjust the volume,
move nearer toward the transmitter
or orient the infrared emitters on the
left housing towards the transmitter.
After listening to the
programmes
Take off the headphones, and then turn
off the power. You may also turn off the
headphones automatically by placing
them on the transmitter.
Note
You may hear some noise when you
disconnect the AC power adaptor from the
transmitter before taking off the headphones.
Charging automatically begins
when you place the headphones
on the transmitter
— Auto charge function
Placing the headphones on the
transmitter automatically turns them
off, and then charging starts. This
eliminates the need for turning on/off
every time you wear and take off the
headphones.
Sound is automatically muted if
noise increases
— Mute function
If the infrared rays are obstructed, or
the headphones are used outside their
effective range, noise will increase and
sound will become hard to hear. To
avoid potential ear damage as a result
of noise, this function mute any sound
from the headphones. Sound is
automatically restored when you move
nearer the transmitter or remove the
obstruction.
If no audio signal is input for
more than approximately 5
minutes
The transmitter turns off automatically.
Note
The brightness of the infrared emitters may
not be uniform, however, this is not a
malfunction.