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NIP
Pollux GigE Series – 01M / 05M Camera
Page
36
of
56 Manual 1.0
Click Analog Control in the attribute list. Click Gain Auto. Select Gain Mode. Input
available parameter in the numeric field and finish setting, as shown in Figure 42.
Figure 42.
Gain Control
The noise increases when Gain increases. Auto exposure and Auto Gain are
mutually restricted. When the image is dark, the camera will firstly increase the
exposure time. Secondly, the camera starts to adjust Gain Value when the
exposure time turns to the maximum.
When the image is bright, the camera will firstly decrease Gain Value.
Secondly, it starts to adjust the exposure time when Gain Value turns to the
minimum.
4.9.3
Region Setting of Auto Functions
The camera can adjust exposure time and white balance automatically to achieve
your expectations. By default, the camera will adjust the brightness and the white
balance of the whole image. In addition, you can also set an area of interest,
which is called AOI.
The camera will adjust the AOI in the image. And the area outside the selected
region will also be changed.
Regional exposure and regional white balance are generally used in the back light
scene and the scene with the great difference of regional brightness. You can also
select rectangle region. The camera will adjust the region’s exposure and white
balance to achieve the best image quality.
Click Analog Control in the attribute list. Select Auto Function AOI Selector.
Choose AOI1 or AOI2. Adjust Auto Function AOI Width value and Auto Function
AOI Height value and finish setting, as shown in Figure 43.