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Appendix F Compatible Wireless Mouse List
Please refer to the following sheet for compatible SD card brand.
Brand Model
V80
Rapoo 3500
Logitech M215
Shuangfeiyan Tianyao G7-630
Appendix G Earthing
1. What is the surge?
Surge is a short current or voltage change during a very short time. In
the circuit, it lasts for microsecond. In a 220V circuit, the 5KV or 10KV
voltage change during a very short time (about microseconds) can be
called a surge. The surge comes from two ways: external surge and
internal surge.
z The external surge: The external surge mainly comes from the thunder
lightning. Or it comes from the voltage change during the on/off
operation in the electric power cable.
z The internal surge: The research finds 88% of the surge from the low
voltage comes from the internal of the building such as the air
conditioning, elevator, electric welding, air compressor, water pump,
power button, duplicating machine and other device of inductive load.
The lightning surge is far above the load level the PC or the micro
devices can support. In most cases, the surge can result in electric
device chip damage, PC error code, accelerating the part aging, data
loss and etc. Even when a small 20 horsepower inductive engine boots
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