Tektronix Grass Valley 3000 - Manual (Page 252)

B-12
Appendix B — Keyframe Facts
With continuity set to -1.00, the paths between the keyframes
become straight lines, accelerating through the keyframe (see
Example 6).
Example 6
Continuity = -1.00
KF1
KF2
KF3
+1.0
-1.0
-1.0
+1.0