Mixing : Plug-In and Hardware Inserts : Plug-In Settings Dialog : Auditioning Plug-In Presets

Auditioning Plug-In Presets
When the Plug-In Settings dialog is open, you can have Pro Tools automatically scroll through and audition the plug-in settings files saved in the plug-in’s root settings folder or in the current session’s settings folder.
To audition plug-in presets:
1 Click the Settings Select button.
2 From the dialog list, click a preset—the starting point from which you will scroll through the settings files.
3 Enter a value for the number of seconds that will elapse between each preset change.
4 Select the Increment Setting option.
After the specified number of seconds, Pro Tools selects the next preset.
5 When you are finished auditioning presets, do one of the following:
*   
Click Done to stop incrementing patches, and to close the Plug-In Settings dialog.
– or – 
*   
Deselect the Increment Patch option to stop incrementing patches and keep the Plug-In Settings dialog open. Then select the preset you want and click Done.