User Manual
Pearl-2 User Guide                                      Set up chroma key for a green screen video source
4.  Click Source and select the video source that you want showing through the background of your 
chroma key colored areas. For detailed steps, see Add video sources or a channel as a source.
5.  In the layout editing area, click and drag to position the video. See the note after this procedure for 
positioning techniques. 
For best results, select the Keep aspect ratio when scaling checkbox from the Source 
settings box.
6.  Click Add new Item again and add  the video source that has the green screen image.
7.  Click the Crop button and crop your green screen video source in the pop-up crop editing window. For 
detailed steps, see Crop a video source. Click OK when your done to return to the custom layout editor.
Cropping the green screen video source helps optimize the performance of Pearl-2.
8.  In the layout area, position  the green screen video source over top the other video source. To optimize 
performance, avoid scaling the green screen video source if you can. 
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