Sony Xperia A4 Instruction Manual page 20

15.5
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Clean the terminals occasionally with a
dry cotton swab.
If the jack is soiled, connection gets worse and it
may cause power to be turned off or insufficient
battery charge, so clean the jack with a dry
cotton swab etc. When cleaning, be careful not
to damage the terminals.
Do not leave the terminal near the air
conditioning vent.
Extreme temperature changes may produce
condensation and corrode the internal parts of
the terminal, causing it to malfunction.
Make sure to use the terminal etc.
without excessive force.
If you put the terminal in a bag full of items or sit
down with the terminal in the pocket of your
cloth, it may damage the display, internal circuit
board, etc. and cause malfunction.
If doing so while the external device is connected
to the microUSB jack or headset jack, it may
cause damage or malfunction.
Do not rub or scratch the display with
metal.
The display may get scratched and it may cause
malfunction or damage.
Read the users manuals supplied with
individual optional devices.
The terminal precautions
Do not press touch screen surface
forcibly, or not operate with a sharp-
pointed objects such as nail, ballpoint
pen, pin, etc.
Doing so may cause damage of touch screen.
Do not use the terminal in extremely hot
or cold places.
Use the terminal where the temperature ranges
between 5
and 40
use in a bathroom etc. when temperature is
above 36
) and humidity ranges between 45%
and 85%.
Using the terminal near land-line phone,
television or radio may cause
interference in these electric appliances.
Make sure to move far away from them
when using the terminal.
Note down the information saved in the
terminal in a separate note and keep it
safely.
Under no condition will DOCOMO be held liable
for any damaged or lost data saved in the
terminal.
Do not drop or give a strong impact to
the terminal.
Doing so may cause malfunction or damage.
Do not plug an external device at an
angle into the headset jack or microUSB
jack. Also, do not pull the cable when it
is plugged in.
Doing so may cause malfunction or damage.
(limited to the temporary
Contents/Precautions
18

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