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1. Safety Precautions
Please do NOT connect this device to the power source before the system is correctly wired.
It is important to ensure that input voltage to the device is the same as required voltage of the device;
otherwise the device may be damaged.
There is dangerous voltage in the device, which may cause electric shock to people. Please do NOT
open the case without permission so as to avoid potential risks of electric shock.
The device is not completely disconnected from power source when it is switched "OFF". For safety,
please disconnect the device from the socket if it is not in use.
Please do NOT place the device where it is extremely cold or hot.
Good ventilation must be provided in the working environment of the device so as to avoid excessive
temperature during its operation, which may cause damages to the device.
Please unplug the device from power socket in raining and wet days or when the device is not in use for
a long time.
Before any component is removed from or re-installed in the device or before any electric connector of
the device is disconnected or reconnected, please disconnect the power plug from sockets so as to ensure
the device has been completely disconnected from power supply.
In case of any failure of the device, please do NOT open the case and repair without permission from a
professional personnel so as to avoid accident or additional damages to the device.
Please do NOT place any corrosive chemicals near or on the device.
2．Things needing attention
Our company provides a three-year free warranty service (including free replacement parts) over quality
issues, provided that the device is installed and used in accordance with requirements specified in the
User Manual.
For warranty, the user must show the Warranty Card and the receipt kept by the user and purchase
invoice of the device as supporting documents.
The following conditions are beyond the scope of warranty:
（1）
Product damage due to improper installation, use or handling;
（2）
Product damage due to abnormal conditions (such as excessive power source voltage or
ambient humidity);
（3）
Product damage due to acts of God;
（4）
Product SN is changed, altered or removed;
（5）
Product has been repaired or modified by any person without duly authorization from our
company;
Please keep the User Manual and Warranty Card in good custody.
In case of any failure in the warranty period, please contact service personnel (or distributor) of our
company for service. The company shall not be made liable for damages due to unauthorized
dis-assembly or maintenance or service by unauthorized personnel.
Safety Precautions
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