23
Notes on Usage
■
Main unit
• The battery for the product is built-in and cannot be replaced by yourself. Contact an au shop or a Customer Center to
replace the battery.
• Do not forcefully press, tap or intentionally subject the display to strong impact. Doing so might cause scratching or
damage.
• Do not close the product in the reverse direction. That may cause the product to get damaged.
• Do not forcefully press your fingernails, sharp objects or hard objects against buttons or display surface. Doing so
might cause scratching or damage.
• 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 product may not respond to touching the touch panel, or errors in operation may occur.
• Operation with gloved hands
• Operation with fingernails
• Operation with a foreign object placed on the display
• Operation with a protective sheet or sticker on the front display
• Operation with water drops or dew condensation attached on the display
• Operation with wet or sweaty fingers
• When putting it into and carrying it in a bag, etc. keep the product closed. Doing so might cause it to get scratched or
damaged.
• If it is left open, the main display may get scratched or damaged. The main display may get damaged.
• Never use modified product. Use of a modified device violates the Radio Law and the Telecommunications Business Act.
The product is compliant with rules on the technical standard conformance of specified wireless equipment based on
the Radio Law and rules on the technology regulatory compliance of terminal device based on the Telecommunications
Business Act. As proof of this, the "Technical Conformity Mark " is indicated in the product.
How to confirm: On the Applications screen, [Settings]
→
[About phone]
→
[Regulatory information].
If the modifications are made to the internal components, the certification of conformity with technical regulations
will become invalid. Never use the product without the valid certification. Doing so violates the Radio Law and the
Telecommunications Business Act.
• Take care not to place magnetized items such as magnetic cards, speakers and TV sets near the product, as it might
cause malfunction. Putting a strong magnetism close to the product might cause false operation.
• Do not bring the product close to magnetized objects such as cash cards, credit cards, and prepaid cards. Doing so
might result in loss of recorded information.
• The magnet is built into the product. Do not bring the product close to objects which could be affected by magnetism
(credit cards and medical devices). For those who are using medical devices, please consult your doctor before using.
• When you put the product in your pocket or bag, take care so that the front display does not come in contact with metal
objects or other hard objects. Doing so might cause scratching or damage. Also, do not touch the display straps with
metal or other hard materials, as it may cause scratching or damage.
• The product is not waterproof. Do not wet it with water or liquids.
• When suddenly brought into a warm place from a cold place, or when in a humid location, or when used where
temperature suddenly changes (e.g. near the air discharge port of an air conditioner), water droplets (i.e. condensation)
sometimes are formed inside the product. Note that when used under conditions such as this, the humidity might cause
corrosion or a fault.
• Do not cover the proximity/light sensor with your finger or put a sticker on it. Doing so may hinder it from detecting the
ambient brightness and functioning correctly.
• Do not put a sticker, etc., on the proximity/light sensor. Doing so may cause the sensor to malfunction and make the
display always turned off while receiving a call or during a call.
• Normally, keep the au IC card tray closed when using the product. Otherwise, dust or water may enter the product
interior and may cause malfunctions.
• Do not put liquids, metals, or other foreign objects into au IC card slot of the product. Doing so may result in a
malfunction.
