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Safety Precautions
Electrical safety
Install the camera , reader and LED screen first, and then connect the data cable and power cable in
sequence.
Before connecting an external cable to the device, complete grounding properly and set up surge
protection; otherwise, static electricity will damage the mainboard.
Ensure that the signal connected to the device is a weak-current (switch) signal; otherwise,
components of the device will be damaged.
Ensure that the standard voltage applicable in your country or region is used. If you are not certain
about the applicable standard voltage, please consult your local electric power company. Power
mismatch may cause short circuit or device damage.
In the case of power supply damage, return the device to the professional technical personnel or your
dealer for handling.
To avoid interference, keep the device far from generators with strong electromagnetic radiation, such
as radios, televisions, and electric generators.
Operation safety
Before powering on the device, read this document carefully.
The device hardware may be damaged by transportation and other unpredictable causes. Check
whether the device has serious damage before installation. If the device has major defects you cannot
solve, contact your dealer as soon as possible.
Do not connect or disconnect cables to/from the device when it is energized.
