Troubleshooting and performance
133
Alvium USB Cameras User Guide V3.1.3
Additional compensation
If compensation limits are reached and you cannot decrease operating
temperature or exposure time, what can you do to keep signal quality high?
Measures for type 1 compensation
Alvium 1800 U-050m/c
support compensation type 1. For additional
compensation, see
Black level compensation for certain sensors
Typically, there is no measure to improve the image signal.
The rising black level shifts black and dark gray values to gray.
Measures for type 2 compensation
All other Alvium camera models support compensation type 2.
You can increase the margin size by using gain, with the following side effects:
•
To give space to a larger margin, the effective pixel capacity decreases.
•
White and light gray values are shifted down to gray.
