How to Use Green Screen
The Green Screen is a method used to key out colors or objects in the video. The blue and green color doesn’t match any natural skin tone or hair color, so it’s easy to remove without grabbing parts of the person in the foreground.
Chroma Color：the color to key out in the video.
Opacity: set to the opacity of color
Intensity: the strengthen of key out
Step1: Enter to the edit mode
Confirm the video is in the overlay media track.
Click the timeline and there appears the square frame with yellow lines.
Right-click the timeline and select the “Edit” option.
Step2: Set the Green Screen
Click the option tab with ''Green Screen"
Set the Chroma color
Click the picker and choose the key out color
Drag the opacity to zero
Adjust the range of intensity,it's better at the 700~900.
Please note that click “reset” button if you are not satisfied with the current after previewing the video.