User Manual
Chroma Key Editor
Chroma Key lets you remove certain colors for the background, allowing you to layer certain things in front of a still or motion background. When you edit a Chroma Key effect, this special editor is used to let you change the Chroma Key parameters.
Preview
The top are of this editor displays a still image generated when you opened the menu. This lets you see the changes of the effect on the raw video image. You can tap on the preview graphic to toggle the effect on and off.
Hue
This displays a hue picker that lets you find the color in your image to be removed.
Tolerance
The tolerance slider effectively widens the color range that is removed. When you increase the tolerance, you are opening it up to remove colors to the left and right of the selected hue on the color wheel.