To Select the Chroma Key on a Keyer

The outputs of the chroma key engine must be selected on a key bus to be properly keyed and to adjust the chroma key parameters.

1. Click Navigation Menu > Live Assist > ME.
2. Click the Key X button for the keyer you want to view the chroma key on.
3. Click Auto Select.
4. Click Key Fill: and select CKX for the chroma key you want to use.