Huawei Ascend G700-U20 Quick Start - Manual (Page 14)

• RF signals may affect the electronic systems of motor
vehicles. For more information, consult the vehicle
manufacturer.
• Do not place the device over the air bag or in the air
bag deployment area in a motor vehicle. Doing so may
hurt you because of the strong force when the air bag
inflates.
• Do not use your device while flying in an aircraft or
immediately before boarding. Using wireless devices in
an aircraft may disrupt wireless networks, present a
hazard to aircraft operation, or be illegal.
Operating environment
• Avoid dusty, damp, or dirty environments. Avoid
magnetic fields. Using the device in these
environments may result in circuit malfunctions.
• Do not use your device during thunderstorms to
protect your device against any danger caused by
lightning.
• Ideal operating temperatures are 0 °C to 35 °C. Ideal
storage temperatures are 0 °C to 45 °C. Extreme heat
or cold may damage your device or accessories.
• Do not expose your device to direct sunlight (such as
on a car dashboard) for prolonged periods.
• To protect your device or accessories from fire or
electrical shock hazards, avoid rain and moisture.
• Keep the device away from sources of heat and fire,
such as a heater, microwave oven, stove, water
heater, radiator, or candle.
• Do not place sharp metal objects, such as pins, near
the earpiece or speaker. The earpiece may attract
these objects and result in injury.