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Notes…on…Usage
• In the following cases, 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%.)
- Charging equipment
- Peripheral devices
• Do not use in places subject to lots of dust or
vibration. Doing so may cause a fault.
• Clean the headset connection terminal, the charging
jack or the external connection terminal with dry
cotton swabs, etc. every now and then. Soiled
terminals might cause poor connection. Do not exert
a strong force to clean the headset connection
terminal, the charging jack or the external
connection terminal 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
cause a fault.
• 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
might cause fault.
• Do not disassemble, modify or repair the product.
Doing so might cause fault. Modification of cell
phones is in violation of the Radio Law and the
Telecommunications Business Act.
• Do not short-circuit the headset connection
terminal, the charging jack or the 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 might cause fault.