Sony BZDM-7020 User Manual page 264

Path Settings
7-24
Chapter 7 Key Frame Effects
Bias adjustment
• Bias = 0
The direction of the path through key frame point 2 is parallel to
a line joining key frame points 1 and 3.
KF2
-2
KF1
• Bias = +1.00
The direction of the path through key frame point 2 is biased
toward the direction from key frame point 1, and it only curves
toward key frame point 3 after leaving point 2.
KF2
-2
KF1
KF3
2
1
-1 1 2
-1
-2
KF4
KF3
2
1
-1 1 2
-1
-2
KF4