Important Safeguards And Warnings - Dahua NVR41-4KS2 Series User Manual

Important Safeguards and Warnings

The following description is the correct application method of the device. Read the manual carefully
before use to prevent danger and property loss. Strictly conform to the manual during application
and keep it properly after reading.
Operating Requirement
● Install the PoE front-end device indoors.
● The device does not support wall mount.
● Do not place and install the device in an area exposed to direct sunlight or near heat generating
device.
● Do not install the device in a humid, dusty or fuliginous area.
● Keep its horizontal installation, or install it at stable places, and prevent it from falling.
● Do not drip or splash liquids onto the device; do not put on the device anything filled with
liquids, in order to prevent liquids from flowing into the device.
● Install the device at well-ventilated places; do not block its ventilation opening.
● Use the device only within rated input and output range.
● Do not dismantle the device arbitrarily.
● Transport, use and store the device within allowed humidity and temperature range.
Power Requirement
● Use the designated battery type. Otherwise there might be explosion risk.
● Use batteries according to requirements. Otherwise, it might result in fire, explosion or burning
risks of batteries!
● When replacing batteries, use the same type of batteries.
● Dispose the exhausted batteries according to the instructions.
● Use electric wires (power wires) recommended by this area and within its rated specification.
● Use standard power adapter matched with this device. Otherwise, the user shall undertake
resulting personnel injuries or device damages.
● Use power supply that meets SELV (safety extra low voltage) requirements, and supply power
with rated voltage that conforms to Limited Power Source in IEC60950-1. For specific power
supply requirements, please refer to device labels.
● Products with category I structure shall be connected to grid power output socket, which is
equipped with protective grounding.
● Appliance coupler is a disconnecting device. During normal use, please keep an angle that
facilitates operation.
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User's Manual