Dahua IPC-HFW2449S-S-IL Dahua Network Camera Web 5.0 Operation Manual V1.0.7

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Table 6-4 Description of backlight parameters

Backlight mode Description

BLC

Enable BLC , the camera can get clearer image of the dark areas on the

target when shooting against light. You can enable or disable Customized

mode.

●

When you enable Customized mode, the system auto adjusts

exposure only to the set area according to ambient lighting condition

to ensure the image of the set area at ideal brightness.

●

When you disable Default mode, the system adjusts exposure

according to ambient lighting condition automatically to ensure the

clarity of the darkest area.

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 eect 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.

6.2.1.6 WB

WB function makes the image color display precisely as it is. When in WB mode, white objects

would always display white color in dierent environments.

Procedure

Step 1 Select > Camera > Image > WB.

Figure 6-8 WB

Step 2 Congure WB parameters.

Operation Manual

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Dahua IPC-HFW2449S-S-IL 4MP Smart Dual Light Fixed-focal Bullet WizSense Network Camera