Sony DR-BT21G Operating Instructions Manual page 21

On the supplied AC power
adaptor
• Use the AC power adaptor supplied
with this unit. Do not use any other AC
power adaptor since it may cause the
unit to malfunction.
Polarity of the plug
• If you are not going to use this unit for
a long time, unplug the AC power
adaptor from the AC outlet. To remove
the AC power adaptor from the wall
outlet, grasp the adaptor plug itself;
never pull the cord.
Others
• Do not place this unit in a place
exposed to humidity, dust, soot or
steam, subject to direct sunlight, or in a
car waiting at a traffic signal. It may
cause a malfunction.
• Be careful not to pinch your fingers
when folding the headset.
• Using the Bluetooth device may not
function on mobile phones, depending
on radio wave conditions and location
where the equipment is being used.
• If you experience discomfort after using
the Bluetooth device, stop using the
Bluetooth device immediately. Should
any problem persist, consult your
nearest Sony dealer.
• Listening with this unit at high volume
may affect your hearing. For traffic
safety, do not use this unit while driving
or cycling.
• Do not put weight or pressure on this
unit as it may cause the unit to deform
during long storage.
• The ear pads are consumable. They may
deteriorate due to long-term storage or
use. Replace with new ones if they are
damaged.
• If you have any questions or problems
concerning this unit that are not covered
in this manual, please consult your
nearest Sony dealer.
21
GB