Apple Motion 4 - Manual (Page 574)

Using the Edit Tool
To use the following set of instructions, first select the Edit tool from the keyframe edit
tools in the Keyframe Editor.
Edit tool
To change the value of a keyframe
Do one of the following:
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Click the keyframe you want to modify, then drag the keyframe along the Y axis (up and
down) to change its value. To change its position in time, drag along the X axis (left to
right).
Press the Shift key while dragging to constrain movement to one axis.
When dragging a keyframe in the graph, numbers appear indicating the new position
and value of the keyframe. The first number is the frame number and the second number
is the parameter value.
Value Frame number
When you drag two keyframes closer together along the X axis, the transformation
between those values happens more quickly. When you drag keyframes farther apart
from each other, the change happens more slowly.
574 Chapter 10 Keyframes and Curves