Dahua NVR21-4KS3 Series User Manual page 197

Step 2 Select a channel and then configure parameters.
The parameters might vary depending on the camera model.
Parameter
Profile
Brightness
Contrast
Saturation
Sharpness
Gamma
Figure 5-68 Image
Table 5-18 Image parameters
Description
There are three configuration files. The system has configured the
corresponding parameters for each file. You can select according to
your actual situation.
Adjust the image brightness. The bigger the value is, the brighter the
image will become.
Adjust the image contrast. The bigger the value is, the more obvious
the contrast between the light area and dark area will become.
Adjust the color shades. The bigger the value, the lighter the color will
become.
Adjust the sharpness of image edge. The bigger the value is, the more
obvious the image edge is.
Adjust image brightness and enhance the image dynamic display
range. The bigger the value is, the brighter the video is.
177
User's Manual