STC-MBS122BPOE / STC-MCS122BPOE
Product Specifications and User’s Guide
10.6 ALC (Auto Light Control)
ALC function has two control methods, which is AGC (Auto Gain Control) and auto shutter. The AGC and auto
shutter can be set individually.
The camera parameters are adjusted to brightness of image is maintained with target brightness automatically
with ALC function.
AGC or auto shutter have to set “On” to activate ALC function.
GenICam Parameters (for AGC and auto shutter)
Target brightness
Range: 0 to 255
Default: 128
AutoLuminanceRegion
Selector
ALC weight region to set area, position and weight
Selection: Region 0 to Region 8
Width for selected ALC weight region
Range: 4 to 4,096
Default: 1,344 for all regions
Height for selected ALC weight region
Range: 2 to 3,000
Default: 976 for all regions
Horizontal offset for selected ALC weight region
Range: 0 to 4,092
Default: 32 (Region 0, 3 and 6), 1,376 (Region 1, 4 and 7),
2,720 (Region 2, 5 and 8)
Vertical offset for selected ALC weight region
Range: 0 to 2,998
Default: 36 (Region 0 to 2), 1,012 (Region 3 to 5), 1,988 (Region 6 to 8)
Weight
Range: 0 to 15
Default: 1 * Sets 10 on Region 4 only
Sets the weight for each weight area.
Importance ratio for the brightness peak at ALC control.
Range: 0 to 255
Default: 0