Huawei MACHC-WAH9LP Quick Start Manual page 10

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 -10 °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.
•
Stop using your device or applications for a while if the device is overheated. If skin is exposed
to an overheated device for an extended period, low temperature burn symptoms, such as red
spots and darker pigmentation, may occur.
•
Do not touch the device's antenna. Otherwise, communication quality may be reduced.
•
Do not allow children or pets to bite or suck the device or accessories. Doing so may result in
damage or explosion.
•
Observe local laws and regulations, and respect the privacy and legal rights of others.
Child's safety
•
Comply with all precautions with regard to child's safety. Letting children play with the device or
its accessories may be dangerous. The device includes detachable parts that may present a
choking hazard. Keep away from children.
•
The device and its accessories are not intended for use by children. Children should only use
the device with adult supervision.
Accessories
•
Using an unapproved or incompatible power adapter, charger or battery may cause fire,
explosion or other hazards.
•
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.
Charger safety
•
For pluggable devices, the socket-outlet shall be installed near the devices and shall be easily
accessible.
•
Unplug the charger from electrical outlets and the device when not in use.
•
Do not drop or cause an impact to the charger.
•
If the power cable is damaged (for example, the cord is exposed or broken), or the plug loosens,
stop using it at once. Continued use may lead to electric shocks, short circuits, or fire.
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