Control Panel VKEY 100 / external keyboard – OUTPUT: SELECT PREVIEW
With this feature you can choose what is to be visible on the Preview screen after pressing a function key. Select a source from the drop-down list in the Output Media field. This function operates on the bottom line (Bus) of the video mixer’s PRV (Preview) buttons. The active button is backlit in green. When you press a key with Output: Select Preview function assigned, a button with the selected source will light up green.