Translations:Kdenlive/Manual/Effects/Alpha manipulation/Alpha operations/8/en

Display:

what to display. There are seven options: Image, Alpha as gray, Gray+red, Selection on black, Selection on gray, Selection on white and Selection on checkers.

This is intended for monitoring during adjustment mostly. After adjusting the parameters, it should be left on Image, which lets the unchanged input image through - this plugin is intended to change only the alpha channel...