To view and edit the animation curves of a clip
 button.
 button.
                  The Graph Editor appears, displaying the animation curves contained in the selected clip.
To edit a clip’s keys in the Time Slider
 -click the clip and select Activate Keys from the menu that appears.
-click the clip and select Activate Keys from the menu that appears.
                  The keys in the selected clip appear in the Time Slider and are now available for editing.