3Click the Motion tab again. Beside each parameter appears a keyframe graph area that represents the duration of the clip. You can add keyframes to this keyframe graph area to change specific parameter settings over time.
4With the Viewer active, press Home to position the playhead at the beginning of the clip in the keyframe graph area, then click the Opacity keyframe button to add a keyframe.
Keyframe graph area
Opacity keyframe button
5Press the Right Arrow key 15 times to move the playhead ahead 15 frames to where text should be completely visible. Click the Opacity keyframe button again to add a second keyframe. Drag the clip’s Opacity slider to 100. Your keyframe graph area should look similar to this:
The opacity increases here.
6Click the Video tab in the Viewer and play the clip to see the text appear over time. You can also set the clip to disappear by setting two more keyframes.
Chapter 3 Preparing Clips in the Viewer
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