Hikvision DS-2CD2D25G1/M-D/NF 4MM User Manual

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WDR

The WDR (Wide Dynamic Range) funcon helps the camera provide clear images in environment

with strong illuminaon dierences.

When there are both very bright and very dark areas simultaneously in the eld of view, you can

enable the WDR funcon and set the level. WDR automacally balances the brightness level of the

whole image and provides clear images with more details.

Note

When WDR is enabled, some other funcons may be not supported. Refer to the actual interface

for details.

HLC

When the bright area of the image is over-exposed and the dark area is under-exposed, the HLC

(High Light Compression) funcon can be enabled to weaken the bright area and brighten the dark

area, so as to achieve the light balance of the overall picture.

White Balance

White balance is the white rendion funcon of the camera. It is used to adjust the color

temperature according to the environment.

DNR

Digital Noise Reducon is used to reduce the image noise and improve the image quality. Normal

and Expert modes are selectable.

Normal

Set the DNR level to control the noise reducon degree. The higher level means stronger

reducon degree.

Expert

Set the DNR level for both space DNR and me DNR to control the noise reducon degree. The

higher level means stronger reducon degree.

Defog

You can enable the defog funcon when the environment is foggy and the image is misty. It

enhances the subtle details so that the image appears clearer.

Network Camera User Manual

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Hikvision DS-2CD2D25G1/M-D/NF 4MM 2MP Network Covert Camera 4mm Lens