Huawei ETS6630 Manual page 25

• On a stormy day with thunder, do not use your device,
to prevent any danger caused by lightning.
• When you are on a call, do not touch the antenna.
Touching the antenna affects the call quality and results
in increase in power consumption. As a result, the talk
time and the standby time are reduced.
• Use accessories authorized by the manufacturer. Using
unauthorized accessories will render the warranty null
and void.
• Because the device needs to disperse heat during
working, place the device and the power supply in a
ventilated and shady place. Never cover the device, put
objects on it, or place it near water, fire as well as
inflammable and explosive materials.
• This device should be installed and operated with a
minimum distance of 20 cm between the antenna and
all persons.
• Keep the ambient temperature between -10°C and
45°C while the device is being charged. Keep the ambi-
ent temperature between -10°C to 55°C for using the
device powered by a battery.
Safety of Children
Comply with all precautions with regard to children's
safety. Letting the child play with your device or its acces-
sories, which may include parts that can be detached
from the device, may be dangerous, as it may present a
choking hazard. Ensure th
device and accessories.
at small children are kept away from the
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 war-
ranty applicable to the device, result in the non-operation
of the device, and cause danger.
Battery and Charger
• Unplug the charger from the electrical plug and the
device when not in use.
• Do not connect two poles of the battery with conduc-
tors, such as metal materials, keys, or jewelries. Other-
wise, the battery may be short-circuited and may cause
injuries and burns on your body.
• Do not disassemble the battery or solder the battery
poles. Otherwise, it may lead to electrolyte leakage,
overheating, fire, or explosion.
• If battery electrolyte leaks out, ensure that the electro-
lyte does not touch your skin and eyes. When the elec-
trolyte touches your skin or splashes into your eyes,
wash your eyes with clean water immediately and con-
sult a doctor.
• If there is a case of battery deformation, color change,
or abnormal heating while you charge or store the bat-
tery, remove the battery immediately and stop using it.
Otherwise, it may lead to battery leakage, overheating,
explosion, or fire.
• If the power cable is damaged (for example, the cord is
exposed or broken), or the plug loosens, stop using the
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