Important Safeguards And Warnings - Dahua VR21-8P-4KS2 Series User Manual

Important Safeguards and Warnings

This section introduces content covering the proper handling of the Device, hazard prevention, and
prevention of property damage. Read carefully before using the Device, and comply with the
guidelines when using it.
Transportation Requirements
Transport the Device under allowed humidity and temperature conditions.
Storage Requirements
Store the Device under allowed humidity and temperature conditions.
Operation Requirements
● Do not place the Device in a place exposed to sunlight or near heat sources.
● Keep the Device away from dampness, dust, and soot.
● Install the Device on a stable surface to prevent it from falling.
● Do not drop or splash liquid onto the Device, and make sure that there is no object filled with
liquid on the Device to prevent liquid from flowing into it.
● Put the Device in a well-ventilated place, and do not block its ventilation.
● Operate the Device within the rated range of power input and output.
● Do not disassemble the Device.
● Use the Device under allowed humidity and temperature conditions.
Installation Requirements
● Do not connect the power adapter to the device while the adapter is powered on.
● Strictly comply with the local electric safety code and standards. Make sure the ambient voltage
is stable and meets the power supply requirements of the device.
● Do not expose the battery to environments with extremely low air pressure, or extremely high or
low temperatures. Also, it is strictly prohibited to throw the battery into a fire or furnace, and to
cut or put mechanical pressure on the battery. This is to avoid the risk of fire and explosion.
● Use the standard power adapter or cabinet power supply. We will assume no responsibility for
any injuries or damages caused by the use of a nonstandard power adapter.
● Do not place the Device in a place exposed to sunlight or near heat sources.
● Keep the Device away from dampness, dust, and soot.
● Put the Device in a well-ventilated place, and do not block its ventilation.
● Install the Device on a stable surface to prevent it from falling.
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User's Manual