Time, Tempo, and Meter : Editing Tempo Events in the Tempo Editor : Creating New Tempo Settings with Grabber Tools
 
Creating New Tempo Settings with Grabber Tools
The Grabber tools let you create new tempo settings by dragging tempo events in the Tempo Editor.
Using a Grabber tool to change a tempo event
To change the tempo of a tempo event:
*With the Grabber tool, drag a tempo event up or down.
To adjust the location of the tempo change:
*With the Grabber tool, drag a tempo event to the left or right.
To remove a tempo event:
*With the Grabber tool, Option-click (Mac) or Alt-click (Windows) the tempo event.