Apple Final Cut Pro 5 - Manual (Page 1104)

Chapter 16 Changing Clip Speed and Time Remapping 317
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When you choose a value for the keyframe on the y axis, you are choosing a frame
from the clip’s original media file. When you drag a time remapping keyframe up and
down on the y axis, a tooltip appears that displays which media file frame you are
assigning to that point in time in your clip. As you move the keyframe up, you choose a
later frame in your clip’s media file, and when you move the keyframe down, you
choose an earlier media file frame. The top of the y axis represents the last frame of
your clip’s media file, and the bottom represents the first frame.
The X Axis
The x axis represents a clip’s playback time. Frames are always played back at the frame
rate of the clip. You can set a keyframe at any point on the x axis to specify which
media file frame you want to see at that moment in the clip.
For example, suppose you want frame 100 from a clip’s media file to appear 2 seconds
into the clip. In this case, you set a time remap keyframe at 02:00 on the clip. Then you
vertically adjust this keyframe to the value 100.
Last frame of clip
First frame of clip
Length of clip’s media
file (in frames)