19
Safety Precautions
Handling Precautions
These precautions are provided to prevent product faults
and to ensure that performance can be fully demonstrated.
Thoroughly read these precautions to ensure correct use.
■
Precautions Common to the Main Unit, Internal
Battery, Charger, au IC Card, Peripheral Devices
● Do not apply excessive force to the product during use.
Be sure not to put the product into a tightly packed bag or
place a heavy object on the product in a bag. Sitting on the
product in your pocket might damage the display or internal
circuit board resulting in a malfunction.
Keeping an external connection device connected to the
external connection terminal or earphone microphone
terminal might damage the connector resulting in a
malfunction. Such damage and malfunction are not covered
by the warranty, even if there is no external damage.
● To ensure the water resistance (equivalent to IPX5 and IPX8)
or the dust resistance (IP6X) of the product, use the product
with the au IC card/microSD memory card tray tightly
closed.
Note that resistance is not guaranteed in every usage
condition. Do not allow water to get inside the product, or
splash water on a specified charger (sold separately) or
optional accessories. Do not open/close the au IC card/
microSD memory card tray in the rain or with any water
on the surface of the product. Doing so may cause water
intrusion resulting in internal corrosion.
Malfunctions determined to be caused by such water
intrusion are not covered by the warranty.
● Do not use the product in extremely hot, cold or humid
places.
(Use within an ambient temperature range of 5℃ to 35℃
and humidity range of 35% to 90%. Temporary use at 36℃
to 40℃ is allowed.)
- Main unit
- au IC card (attached to the main unit)
● Do not use the product in extremely hot, cold or humid
places.
(Use within an ambient temperature range of 5℃ to 35℃
and humidity range of 35% to 85%.)
- Charger
- Peripheral devices
● Do not use in places subject to lots of dust or vibration.
Doing so may cause malfunction.
● Clean the product’s external device port and earphone
microphone terminal, as well as the desktop holder’s
connection port or USB plug with dry cotton swabs, etc.
every now and then. Soiling may result in a poor connection.
Do not exert a strong force to clean each of the terminals to
prevent deformation.
●
Clean the product with a soft dry cloth (such as the type used
for eyeglasses). Forceful rubbing with a dry cloth may scratch
the display. The display may be stained if splash or smear is
left attached to the surface. Wiping the product using alcohol,
thinner, benzine, detergent, glass cleaner, etc. might erase the
printing on the outer cover or cause malfunction.
● Use as far away as possible from land-line phones, TVs and
radios. Use nearby might affect them.
CB70_EN.indb 19 2020/02/07 13:41:13
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