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.
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