[ Help ] :.
preview window shows the image data pulled from your video capture
open the preview window by clicking "Window ->
Preview" in the text menu in the main window.
you can change the update interval of the image in the native
driver settings for the device. Look at "Settings
-> Device -> Format control" and see if you
can change the fps (Frames Per Second) settings there.
preview window can put a rather high CPU load on some computers
if the fps is high, and the image size large. If this is a problem
for you, remember to close the preview window when you not are