Huawei EC156, User Manual

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Operating Environment

Do not use the device in dusty, damp, and dirty places or places with magnetic
fields. Otherwise, it may result in malfunction of the circuit.

On a stormy day with thunder, do not use your device when it is being charged,
to prevent any danger caused by lightning.

While using the device, observe the local laws and regulations, and respect
others' privacy and legal rights.
Safety of Children
Comply with all precautions with regard to children's safety. Letting the child play
with your device or its accessories, which may include parts that can be detached
from the device, may be dangerous, as it may present a choking hazard. Ensure that
small children are kept away from the device and accessories.
Accessories
Use the accessories delivered only by the manufacturer. Using accessories of other
manufacturers or vendors with this device model may invalidate any approval or
warranty applicable to the device, result in the non-operation of the device, and
cause danger.
Cleaning and Maintenance
It is normal that your wireless device gets hot when you use or charge it. Before
you clean or maintain the wireless device, stop all applications and disconnect the
wireless device from your PC.

Use your wireless device and accessories with care and in a clean environment.

Keep the wireless device away from a fire or a lit cigarette.