Add falloff to FCurves

You can scale and manipulate keys by adding and setting falloff values on FCurves. Setting a Fall Off Radius value creates falloff, in frames, on both sides of a selected area of an FCurve. For example, setting Fall Off Radius to a value of 10 creates 10 frames of fall off before and after the selected area.

To add fall off to an FCurve

1. Marque select the area of the FCurve that you want to add a fall off region.
2. If needed, use the selection handles to reposition the area you want to add the falloff.
3. In the FCurves window beside Falloff Radius, set the number of frames of falloff you want to add.
   

   Fall off is added before and after the selected area of the curve.