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• Be aware of the usage limitation when using the device at places
such as oil warehouses or chemical factories, where there are
explosive gases or explosive products being processed. Power off
the device if necessary.
• Do not use electronic transmission devices in aircrafts, at petrol
stations or in hospitals. Observe and obey all warning signs, and
power off the device in these conditions.
• Do not touch the inner antenna area unless necessary. Otherwise
the performance of the device may be affected.
• Do not use the device in an enclosed environment or where heat
dissipation is poor. Prolonged work in such space may cause
excessive heat and raise ambient temperature, which may lead to
automatic shutdown of the device for your safety. In the case of
such event, cool the device in a well-ventilated place before turning
on for normal use.
• Keep the device out of the reach of small children. The device may
cause an injury if used as a toy.
• When the device is operating, do not touch the metallic parts.
Failing to do so may cause burns.
• Use original accessories or accessories that are authorized. Using
any unauthorized accessories may affect the performance of the
device and violate the related national regulations about telecom
terminals.
• Avoid using the device near or inside metallic constructions or
establishments that can emit electromagnetic waves, because
signal reception may be affected.
• The device is not waterproof. Keep the device dry and store it in a
shady and cool place.
• Do not use the device immediately after a sudden temperature
change, because dew may be generated inside and outside the
device. Do not use it until it becomes dry.
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