Huawei 3 Prime Quick Start Manual page 9

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Ideal operating temperatures are 0 °C to 40 °C. Ideal storage
temperatures are -20 °C to +70 °C. Extreme heat or cold may
damage your device or accessories.
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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.
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Keep the device away from sources of heat and fire, such as a
heater, microwave oven, stove, water heater, radiator, or candle.
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The device should be installed and operated with a minimum
distance of 20 cm between the radiator and your body.
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Using an unapproved or incompatible power adapter, charger or
battery may cause fire, explosion or other hazards.
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Choose only accessories approved for use with this model by the
device manufacturer. The use of any other types of accessories
may void the warranty, may violate local regulations and laws,
and may be dangerous. Please contact your retailer for
information about the availability of approved accessories in your
area.
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The power plug is intended to serve as a disconnect device.
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For pluggable devices, the socket-outlet shall be installed near
the devices and shall be easily accessible.
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Ensure that the power adapter meets the requirements of Clause
2.5 in IEC60950-1/EN60950-1/UL60950-1 and has been tested
and approved according to national or local standards.
Disposal and recycling information
The crossed-out wheeled-bin symbol on your product, battery,
literature or packaging reminds you that all electronic products and
batteries must be taken to separate waste collection points at the
end of their working lives; they must not be disposed of in the
normal waste stream with household garbage. It is the responsibility
of the user to dispose of the equipment using a designated
collection point or service for separate recycling of waste electrical
and electronic equipment (WEEE) and batteries according to local
laws.
Proper collection and recycling of your equipment helps ensure
electrical and electronic equipment (EEE) waste is recycled in a
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