Ranges Toolbar (Dope Sheet)

Command entry: Track View

Right-click the starting area of a toolbar (containing two vertical bars).

Show Toolbars

Ranges : Dope Sheet

This toolbar, hidden by default, provides tools you use when working with ranges.

Interface

Edit Ranges: Changes Dope Sheet to display range bars rather than tracks of keys. See Edit Ranges .
Position Ranges: Adjusts the relationship between a range bar and its keys. Turning this on will allow you to see the keys while moving the range bar.
Recouple Ranges: Resizes the range bar to fit the first and last key of the selected track.