Dahua D, Руководство пользователя

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Important Safeguards and Warnings IV

Use standard components or accessories provided by manufacturer and make sure the
device is installed and maintained by professional engineers.

The surface of the image sensor should not be exposed to laser beam radiation in an
environment where a laser beam device is used.
 Do not provide two or more power supply sources for the device; otherwise it might
damage the device.
 When the camera is in the condition of PoC power supply, do not connect any other
devices between the camera and PoC XVR or PoC transceiver including UTC, Balun,
optical transceiver, distributor and convertor and so on; otherwise, the device might get
burned.

PoC power supply is with high voltage. Do not dismantle the device during normal
operation; otherwise it might cause danger to both device and users due to high voltage.