Zkteco DL-854N28B [5/49] Precautions

2 Precautions

The content is to make sure your operations of the products are strictly in accordance with this manual, to

prevent danger or loss of property. Therefore, please read the manual carefully and keep it for your future

reference before using the products.

As shown below, the preventive measures are divided into “Warning” and “Attention”:

Warning: Without Warning may lead to death or serious injury.

Attention: Without attention may lead to injury or loss of property.

Warning To remind users to keep away

from potential death or danger of

serious injury.

Attention To remind users to keep

away from potential injury or danger of

property from loss

Warning:

 Please use the required power meets SELV (safety extra-low voltage circuit) to supply. In the accordance of

IEC60950-1, the power should comply with the rated voltage of DC 12V and AC 24V (Depends on the specific

model) of Limited Power Source.

 If the equipment works abnormal, please contact your purchasing store or the nearest service center. Do not

disassemble or modify the equipment in any methods. (If do without permission, user will be responsible for

the result.)

 In order to reduce the risk of fire or electric shock, please prevent the product from raining and moisture.

 The installation should be done by the professionals and comply with local regulations.

 Please install the easy-used electric failure equipment into wiring of the building.

 The instruction of equipment installation on the ceiling: After installation, please to make sure the connection

can withstand 50Newton (N) downward pull.

Attention:

 Before the camera running, please make sure whether the supply power is right.

 Please do not drop off or heavily strike the product.