Local Configurations
96
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.
Summary of Contents for XVR4 Series
Page 1: ...DIGITAL VIDEO RECORDER User s Manual V1 1 0 ZHEJIANG DAHUA VISION TECHNOLOGY CO LTD ...
Page 44: ...Connecting Basics 31 Figure 4 2 ...
Page 96: ...Local Configurations 83 Figure 5 50 ...
Page 197: ...Local Configurations 184 Figure 5 153 Figure 5 154 Double click the video or click Step 7 ...
Page 202: ...Local Configurations 189 Figure 5 158 Figure 5 159 ...
Page 310: ...Glossary 297 Abbreviations Full term VGA Video Graphics Array WAN Wide Area Network ...
Page 328: ...Earthing 315 ...
