22
Notes on Usage
Handling precautions
These precautions are provided to prevent the product from getting a malfunction and to ensure that performance can
be fully demonstrated. Thoroughly read these precautions to ensure correct use.
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Precautions common to the product, internal battery, charging equipment, 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, etc. resulting in a malfunction.
And, keeping an external device connected to the external connection 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.
• Do not use the product in places that have extremely hot or low temperatures, or high humidity. (Use within an ambient
temperature range of 5 °C to 35 °C and humidity range of 35 % to 85 %.)
• Do not use in places subject to lots of dust or vibration. Doing so may result in a malfunction.
• Clean the charging terminal or the external connection terminals with dry cotton swabs, etc. every now and then.
Soiled terminals might cause poor connection. Do not exert a strong force to clean the charging terminal or the external
connection 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 casing or cause
discoloration.
• Use as far away as possible from land-line phone, TV, radio, etc., may cause affect the product.
• The product may become warm while charging etc., depending on the situations, but this is not abnormal.
• Do not place near corrosive chemicals or in places where corrosive gas is generated. Doing so may result in a malfunction.
• Do not use outside when you can hear thunder. Doing so might risk lightning strikes and electric shock.
• Be sure to use only the specified peripheral devices. Use of other peripheral devices might cause fault.
• Do not put the product in a cooking apparatus such as microwave oven or a pressure vessel. Doing so may result in a
malfunction.
• Do not disassemble, modify or repair the product. Doing so may result in a malfunction. Modification of cell phones is in
violation of the Radio Law and the Telecommunications Business Act.
• Do not short-circuit the charging terminal or external connection terminal. Do not allow conductive foreign objects (metal
fragments, pencil leads, etc.) to come into contact with or get inside the connection terminals. Doing so may result in a
malfunction.
• Do not wet it with liquids such as water, etc. Also, absolutely do not use it in places where there is a lot of moisture
such as bathrooms, or use it with wet hands. It may cause malfunctioning due to shorting, or corroding of the electronic
circuits.
• Breakdowns due to it getting wet with water or moisture are not covered by the warranty, and will be repaired for a fee.
• If the product gets wet during charging, immediately disconnect the power plug of the specified charging equipment (sold
separately).
• Do not use the product while walking or driving a car or riding a motorbike or bicycle. Use of a cell phone while driving a
car or motorbike is prohibited by law. Using the product while riding a bicycle may be punishable by some regulations.
• Do not use the product covering or wraping in the bag, bedclothes, etc., it may cause fault.
• When using a charging equipment or external device, insert/remove the connector straight to/from the product. Make
sure the orientation of the connector is correct. Unless it is correct, it may cause fault.
• Do not expose the camera lens to direct sunlight for a long time. Doing so may result in a malfunction.
• Do not use, store or leave the product in places subject to direct sunlight (e.g. in automobiles), places that get hot, places
that get extremely cold, and in humid or dusty places. Doing so might cause fault.
• Do not leave on unstable places such as rocky stands or tilting surfaces. Especially while charging the product or the
vibration mode set.
• Do not use outlets or wiring apparatus beyond its rating when charging the product, for example, by connecting multiple
devices to a single power strip.
