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32
Parameter
Note
Iris
It is to set the camera light quantity. The bigger the iris is, the brighter the
image becomes, and otherwise it becomes darker.
Exposure
Comp
It is to set the value of exposure compensation; value range is from 0 to 100.
Slow
Exposure
It is to set the exposure adjustment speed; the value range is from 0 to 100.
Gain limit
It is to set the gain upper limit of exposure, the value range is from 0 to 100.
Slow Shutter
It can capture image via extending auto exposure time in the low illuminance
environment, which can effectively reduce image noise, but it may generate
smear for moving objects.
Shutter limit
It is to restrict the min shutter value of the camera.
Auto
exposure
recovery
After manually adjusting “Iris + or Iris –”, it will recover to the exposure mode
before adjustment regularly.
2D NR
The threshold is used to suppress noise, the higher the level is, the smaller
the noise becomes, and the image appears more blurry then before.
3D NR
The value is used to suppress noise, the higher the level is, the smaller the
noise becomes and the image seems more blurry than before.
Grade
It is to set the NR value range, which is from 0 to 100. The bigger the value
is, the higher the NR level becomes.
Advanced NR
It can realize noise suppression effect via 3D and 2D video filtering method.
Advanced 3D
It is to set 3D grade, the value range is from 0 to 100.
Advanced 2D
It is to set 2D grade, the value range is from 0 to 100.
Table 4-2
Step 3
Click “OK” to complete config.
4.1.1.3 Backlight
Note
It fails to set backlight function when “Defog” is enabled, there will be prompt on the WEB interface.
The function is used to adjust the backlight compensation mode of the monitoring image. The config
steps are shown as follows:
Step 1
Select “Setup > Camera > Condition > Backlight” and the system will display the interface of “Backlight”,
which is shown in Figure 4-7.
Step 2
Set the mode according to the interface.
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