
23
Safety Precautions
• Always use the product with the au IC card/microSD memory card
tray closed. If you fail to do so, dust or water etc. may enter inside
and cause a malfunction.
• Do not allow foreign object such as liquid, metal objects to enter to
au IC card/microSD memory card slot of the product. May cause
a malfunction.
• Do not apply strong impacts such as dropping, throwing or
stepping. May cause a malfunction.
• Do not put the product directly on sandy beach etc. Allowing sand
etc. to enter in the receiver, microphone, or speaker may turn the
sound volume down. Also, it may cause a malfunction if sand etc.
gets inside the main unit.
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Touch panel
• The touch panel is designed to be lightly touched by fingers.
Do not apply strong pressure with your fingers or sharp-pointed
objects (such as fingernails, ballpoint pens and pins) on the touch
panel.
In the following cases, the touch panel does not respond when it
is touched. Note that they may also cause false operations.
• Operation with gloved hands
• Operation with fingernails
• Operation with foreign object on the touch panel
• Operation on the surface that a protective sheet or sticker is
attached
• Operation on the display that has waterdroplet on it or dew
condenses
• Operation with wet or sweaty fingers
• Operation under water
• If a sticker or sheet (commercially available protective film, peep
prevention sheet, etc.) is attached on the display, the touch panel
may not work properly.
• When carrying the product which is put in your pocket or a bag,
the touch panel may operate falsely if conductive objects such as
metal gets close to the display.