Set Black Level; Set White Balance - HikRobot GigE User Manual

10.13 Set Black Level

Note
The black level may differ by device models.
The device supports black level function that allows you to change the overall brightness
of an image by changing the gray values of the pixels by a specified amount.
Go to Analog Control → Black Level Enable, enable Black Level Enable, and enter Black
Level according to actual demands.

10.14 Set White Balance

Note
White balance is only available for color devices.
The white balance refers to the device color adjustment depending on different light
sources. Adjust the R/G/B ratio to ensure that the white regions are white under different
color temperatures. Ideally, the proportion of R/G/B in the white region is 1:1:1.
The device supports 3 types of white balance mode, including Off, Once and Continuous.
Click Analog Control → White Balance Auto, and select White Balance Auto according to
actual demands.
● Off: You need to set the R, G, B ratio manually via Balance Ratio Selector and Balance
Ratio. The range is from 1 to 16376, and 1024 means ratio is 1.0.
● Once: Adjust the white balance for a certain amount of time then stop.
● Continuous: Adjust the white balance continuously.
It is recommended to correct white balance when there is great difference between the
device's color effect and actual effect. You can correct white balance as shown below.
Steps
1. Put a white paper in the range of the device's field of view, and make sure the paper
covers the entire field of view.
2. Set exposure and gain. It is recommended to set image brightness value between 120
and 160..
3. Select Once as Balance White Auto, and the device will automatically adjust white
balance for once.
GigE Line Scan Camera User Manual
Figure 10-29 Set Black Level
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