To adjust the auto image brightness region, click to enter the interactive graphics mode.
Position the region around the image area that the camera will use to determine the automatic exposure settings. Ideally, this region should contain all features you want to locate during run time.
To accept the region and exit the interactive graphics mode, click on the right top corner of the screen.
Tip: To accept the region and exit the interactive graphics mode, you also can double-click on the region.