Dahua Technology DH-PFR4K-E50, User Manual, Page: 4 / 101

User’s Manual
III
Important Safeguards and Warnings
The following contents are about the proper ways of using the radar, preventing dangers and
property damage when it is in use. Read the manual carefully before using the radar, strictly
abide by the manual and properly keep it for future reference.
Operation Requirements

Do not place or install the radar in a place exposed to sunlight or near the heat source.

Keep the radar away from dampness, dust or soot.

Keep the radar installed horizontally on the stable place to prevent it from falling.

Do not drop or splash liquid onto the radar, and make sure there is no object filled with
liquid on the radar to prevent liquid from flowing into the device.

Install the radar in a well-ventilated place, and do not block the ventilation of the device.

Operate the radar within the rated range of power input and output.

Do not dissemble the radar.

Transport, use and store the radar under the allowed humidity and temperature conditions.
Electrical Safety

Use the recommended power cables in the region and conform to the rated power
specification.

Use the power adapter provided with the radar; otherwise, it might result in people injury
and device damage.

The power source shall conform to the requirement of the Safety Extra Low Voltage (SELV)
standard, and supply power with rated voltage which conforms to Limited power Source
requirement according to IEC60950-1. Please note that the power supply requirement is
subject to the device label.

Connect the radar (I-type structure) to the power socket with protective earthing.

The appliance coupler is a disconnection device. When using the coupler, keep the angle
for easy operation.