Huawei Mate 9 - Manual (Page 9)

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For more information on regulations, touch Settings >
About phone > Authentication info.
Operation and safety
•
To prevent possible hearing damage, do not listen at
high volume levels for long periods.
•
Using an unapproved or incompatible power
adapter, charger or battery may damage your
device, shorten its lifespan or cause a fire, explosion
or other hazards.
•
Ideal operating temperatures are 0 °C to 35 °C. Ideal
storage temperatures are –20 °C to +45 °C.
•
Pacemaker manufacturers recommend maintaining
a minimum distance of 15 cm between a pacemaker
and a wireless device to prevent potential
interference with the pacemaker. If using a
pacemaker, hold the device on the side opposite the
pacemaker and do not carry the device in your front
pocket.
•
Keep the device and the battery away from excessive
heat and direct sunlight. Do not place them on or in
heating devices, such as microwave ovens, stoves or
radiators.
•
Adhere to local laws and regulations while using the
device. To reduce the risk of accidents, do not use
your device while driving.