Clicking menu "Camera on / off" a modeless dialog box popup and the program is connecting to the video driver. The data from found camera will be shown. Select camera by clicking "Camera settings" , every further click lets you setup the brightness, contrast, gamma value.
Slider "Circle" controls the diameter of the circle.
Slider "Angle" controls the angle of the crosshair.
Slider "Frame rate" defines the time between frames.
Slider set "Circle" controls the color of the circle
Slider set "Crosshair" controls the color of the crosshair