Apple Final Cut Pro X (10.0.9) - Manual (Page 252)

Chapter 10 Add transitions, titles, effects, and generators 252
Tip: To adjust values with greater precision, hold down the Command key while dragging the
keyframe up or down.
Drag the keyframe up or down.
To add another keyframe, Option-click (or press Option-K) at a point on the effect control
where you want to add the keyframe. To add a keyframe and change the effect’s parameter
value at the same time, Option-click while dragging the effect control up or down.
If an effect appears with a disclosure button in the Video Animation Editor, you can also fade
video effects in or out, or change the shape of the effect curve between keyframes.
Adjust keyframes in the Video inspector
For many effects, you adjust the parameter value of individual keyframes using the
Video inspector.
When you move the playhead in the Timeline, arrows appear next to the Keyframe button in
the Video inspector to indicate which side of the playhead has keyframes. To go to the previous
keyframe, click the left arrow or press Option-Semicolon (;). To go to the next keyframe, click the
right arrow or press Option-Apostrophe (’).
Arrows
1 Select a keyframe or position the playhead on a keyframe, and adjust the parameter value in the
Video inspector.
2 To change the value at the next keyframe, go to the next keyframe and adjust the value again.