Time, Tempo, and Meter : Main Time Scale
 
Main Time Scale
 
Setting the Main Time Scale
Navigating with the Main Counter
The Main Timebase ruler is displayed in the Edit window Toolbar, the Big Counter window, and in the Transport window.
The Main Time Scale determines the time format used for:
The Main Counter in the Transport
The Main Counter at the top of the Edit window
Start, End, and Length values
Pre- and post-roll amounts
Grid and Nudge values
The Main Time Scale can be set to the following formats:
Bars|Beats
Minutes:Seconds