Dahua Technology DH-XVR71 H-4K-I2 Series, Руководство пользователя

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User’s Manual
106
On the digital channel page, click More to display more parameters.
Table 5-19 Image parameters
Parameter Description
Channel In the Channel list, select the channel that you want to configure.
Cable Type
In the Cable Type list, select the cable type that the camera uses.
Not all models support this function.
Period
In the Period list, select a time period for the image settings. The image
settings will be only used during the selected period.
Effective Time
Enable the effective function.
In the Effective Time box, enter the start time and end time for the period
you selected.
Saturation
Adjusts the color shades. The bigger the value, the lighter the color will
become. This value does not influence the general image lightness.
The value ranges from 0 to 100. The default value is 50. The recommended
range is between 40 and 60.
Contrast
Adjusts the image contrast. The bigger the value is, the more obvious the
contrast between the light area and dark area will become. You can adjust
this value when the contrast is not obvious. However, if the value is too big,
the dark area is likely to become darker and the light area over exposed. If
the value is too small, the image is likely to become dim.
The value ranges from 0 to 100. The default value is 50. The recommended
range is between 40 and 60.
Brightness
Adjusts the image brightness. The bigger the value is, the brighter the
image will become. You can adjust this value when the image as a whole
looks dark or bright. However, the image is likely to become dim if the value
is too big.
The value ranges from 0 to 100. The default value is 50. The recommended
range is between 40 and 60.
Hue
Adjusts the hue of image. The value ranges from 0 to 100. The default value
is 50.
Sharpness
Adjusts the sharpness of image edge. The bigger the value is, the more
obvious the image edge, and the noise is also greater.
The value ranges from 1 to 15. The default value is 1.
Image Enhance
Adjusts the image definition. The bigger the value is, the clearer the image
will become, but there will be more noises.
NR
Reduces the noises from image. The bigger the value is, the better the
image will become.