Dahua Technology DH-XVR Series, User Manual

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User's Manual
108
Parameter Description
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.
Config File
In the Config File list, select Day , Night , Normal , or Switch By
Period
. The system configures the parameters correspondingly.
●
Day: Apply the configuration during daytime.
●
Night: Apply the configuration during nighttime.
●
Normal: Apply the configuration during day and night.
●
Switch by Period: If you select this option, you need to configure
the sunrise time and sunset time where you are located.
Mirror
Enable the function, the left and right side of the video image will be
switched. It is disabled by default.
3D Denoise
This function specially applies to the image which frame rate is
configured as 2 at least. It reduces the noises by making use of the
information between two frames. The bigger the value is, the better
the effect.
Flip
●
In the Flip list, you can select 180° to change the video image
display.
●
By default, the setting is No Flip .
Light
In the Light list, select Close or Enable to use the backlight
compensation or not.