Apple Final Cut Pro 5 - Manual (Page 1182)

Chapter 19 Keying, Mattes, and Masks 395
II
To use the standard numeric controls, do one of the following:
m In the Chroma Keyer tab, click the Numeric button.
m Click the Filters tab.
In the Chroma Keyer tab,
click this button to use
the standard numeric
controls.
Standard numeric interface
of the Chroma Keyer