Grass Valley Kayenne XL Package v.7.0.4 - Manual (Page 458)

456 Kayenne XL Package — User Manual
Section 4 — Sidepanel Menu Summaries
Linear Key is just a shortcut for a special setting of the Luminance Key with
Gain 100% and Clip 50%.
Additive Key is used for key sources with a shaped fill signal.
For an overview of key types and adjustments, refer to the section Keying
on page 41 .
Refer also the Keyer Control section of the Multi Function Control Panel.