Main toolbar > Open Track View > Track View status bar > Zoom Horizontal Extents
Graph Editors menu > Track View > Open Track View > Track View status bar > Zoom Horizontal Extents
Zoom Horizontal Extents is a flyout containing Zoom Horizontal Extents and Zoom Horizontal Extents Keys.
Procedure
To display the active time segment in the Edit window:
On the Track View status bar, select Zoom Horizontal Extents.
The active time segment (displayed in a lighter color) is centered in the Edit window.
Interface
Zoom Horizontal Extents: Adjusts the size of the Track View Edit window horizontally so that all of the active time segment is visible at once.
Zoom Horizontal Extents Keys: Scales your view horizontally to display the full range of all animation keys. Depending on your animation, this view could be larger or smaller than the Active Time Segment.