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5 wb – Dahua Technology DH-IPC-EBW81242N-AS-S2 12MP Outdoor Network Panoramic Fisheye Camera with Night Vision User Manual

Page 32

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Operation Manual

21

Backlight mode

Description

WDR

The system dims bright areas and compensates dark areas to ensure the

clarity of all the area. The higher the value is, the brighter the dark will be,

but the more the noise will be.

There might be a few seconds of video loss when the device is switching
to WDR mode from other mode.

HLC

Enable

HLC

when extreme strong light is in the environment (such as toll

station or parking lot), the camera will dim strong light, and reduce the

size of Halo zone to lower the brightness of the whole image, so that the

camera can capture human face or car plate detail clearly. The higher the

value is, the more obvious the HLC effect will be.

SSA

Enable

SSA

, the system automatically adjusts the image brightness

according to the environment to make the objects in the image clearer.

Step 3

Click

Apply

.

6.2.1.5 WB

WB function makes the image color display precisely as it is. When in WB mode, white objects would
always display white color in different environments.
Step 1

Select

>

Camera

>

Image

>

WB

.

Figure 6-8 WB

Step 2

Configure WB parameters.

Table 6-5 Description of WB parameters

WB mode

Description

Auto

The system compensates WB according to color temperature to
ensure color precision.

Natural

The system auto compensates WB to environments without artificial

light to ensure color precision.

Street Lamp

The system compensates WB to outdoor night scene to ensure color

precision.

Outdoor

The system auto compensates WB to most outdoor environments

with natural or artificial light to ensure color precision.

Manual

Configure red and blue gain manually; the system auto compensates

WB according to color temperature.

Custom Area

The system compensates WB only to the set area according to color

temperature to ensure color precision.