Huawei E5573 Quick Start Manual page 68

using a pacemaker, hold the device on the side opposite the pacemaker and do not carry the
device in your front pocket.
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.
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.
Keep the device away from sources of heat and fire, such as a heater, microwave oven, stove,

water heater, radiator, or candle.
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.
For pluggable devices, the socket-outlet shall be installed near the devices and shall be easily

accessible.
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