3
Safety Precautions
The device is designed for indoor . For outdoor use, please take precautions.
The device needs to use voltage with rated power. The error of input voltage must be
±10%.
Never use the device in a place with the altitude over 3048m.
Never use the device after putting any foreign matter, such as water or metal object, into
it, otherwise the device may be damaged and a fire may be caused.
Never use the device in certain special environments, such as near a heat source. This
may overheat and damage the device. Use the device in a well-ventilated place and
prevent the ventilation opening of the device from being blocked.
Never use the device in an environment where the temperature changes suddenly to
prevent condensation.
Never use the device in an environment with excessive dust or high humidity.
Use the device in an environment with the ambient temperature from -10
℃
to 40
℃
and
relatively humidity of 90% or below.
Never expose the device to a place where accidental collision or vibration may occur.
Consolidate the device when it is to be used in a place with vibration.
Never connect the AC power cable to an AC power cable that may cause excessive
noise.
The device must be connected with a ground wire.
In case any irregular or abnormal phenomenon is found, immediately switch off the
power supply, disconnect the AC power cable, and handle the phenomenon by referring
to the Troubleshooting Guide.
If the device is damaged, never dismantle it without permission. Please contact the
service department.