Apple 7 manual Keyframe navigation buttons Keyframe button

You can add keyframes in the keyframe graph area by clicking the keyframe button for a parameter.

Keyframe navigation buttons

Keyframe button

If the playhead is currently on a keyframe, clicking the button removes the keyframe. The buttons on either side of the keyframe button move the playhead forward or backward to the next keyframe.

When keyframes are added to a clip, small diamonds appear in the keyframe graph area to mark the location of the keyframes. You can drag these diamonds to different positions in the keyframe graph area to change the effect.

As you add keyframes, the number of frames between two keyframes determines the speed of a change. Hence, the more frames between two keyframes, the longer the change takes. Keyframes that are a small number of frames apart create quick changes.

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Chapter 3    Preparing Clips in the Viewer