User Manual
Pearl-2 User Guide                                      Add external titler software effects to Pearl-2
10.  Click the eye dropper and then click on a color in the thumbnail image to choose the chroma key color.
The background video image shows through all the colored areas on the chroma key video 
layer that match the color you select as the chroma key.  
11.  Adjust the chroma color selection and blend the edges to remove unwanted chroma effects or residual 
color.
a.  Enter a number in the Key threshold field to adjust the color selection. A value of 0 equals the 
original color you selected. A higher value widens the range of the selected chroma color. A lower 
number narrows the range of the selected chroma color.
b.  Enter a number in the Edge blend field to smooth out and adjust the color around the edges in 
your image. 
12.  Click Save when you're done.
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