Digital Performer has a way to customize the time format of your session(s).
Setting the Time format
To change the time format of your session in Digital Performer go to Setup / Time Formats or use the key command Option / Command / T
From this window you can choose the time format(s) you want.
If you click the Details extension arrow you can access more options that are specific to various areas of Digital Performer.
Example of multiple time formats
This is an example of how multiple time formats can be displayed.