ZKTeco LPRC200-4G, Руководство пользователя, Страница: 7 / 39

LPRC200-4G User Manual 1
Safety Precautions

Electrical safety

Before connecting an external cable to the device, complete the grounding properly and
set up surge protection; otherwise, static electricity will damage the mainboard.

Ensure that the standard voltage applicable in your country or region is used (the rated
voltage of the machine is 220V). Power mismatch may cause short circuit or device
damage.

Operation safety
 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, contact your dealer as soon as possible.
 Do not connect or disconnect cables to/from the device when it is in working state.

Do not keep the device in a place that vibrates. Handle the device with care. Do not place
heavy objects on top of the device.

Do not apply rosin, alcohol, benzene, pesticides, and other volatile substances that can
damage the device enclosure. Clean the enclosure with a piece of soft cloth or a small
amount of cleaning agent.
 Non-professional personnel are not allowed to open the device cover. If you have any
technical questions regarding usage, contact certified or experienced technical personnel.