Huawei F317, User Manual, Page: 12 / 20

11
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When you must make or answer a call, pull off the road safely and park the vehicle
first.

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.

Before connecting and disconnecting cables, stop using the device and disconnect
it from the power supply. Ensure that your hands are dry during operation.

Place the device on a stable surface.

Keep the device away from electronic appliances that generate strong magnetic or
electric fields, such as a microwave oven or refrigerator.

During thunderstorms, power off your device and remove all cables connected to it
to protect against lightning strikes.

Do not use your device during thunderstorms to protect your device against any
danger caused by lightning.

Ideal operating temperatures are 0 °C to +45 °C. Ideal storage temperatures are
-20 °C to +70 °C. Extreme heat or cold may damage your device or accessories.

Keep the device and accessories in a well-ventilated and cool area away from
direct sunlight. Do not enclose or cover your device with towels or other objects.
Do not place the device in a container with poor heat dissipation, such as a box or
bag.

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 any object, such as a candle or a water container, on the device. If
any foreign object or liquid enters the device, immediately stop using it, power it
off, and remove all cables connected to it. Then, contact an authorized service
center.

Do not block device openings. Reserve a minimum of 10 cm around the device to