PreSonus StudioLive 24.4.2 - Manual (Page 134)

7 Studio One Artist Quick Start
7.5 Creating MIDI Tracks
StudioLive ™ Software Library
Reference Manual
130
10. Click Close.
11. Select Control 42 from the parameter pull-down menu on the automation track.
12. Using your Paint tool, draw an automation curve.
13. Press Play to hear Studio One control the main output level of your StudioLive.
You can use the same steps to create volume-curve automation for
FXA and FXB output levels on your StudioLive mixer. Just be sure
to select the right Control Change number from the parameter
pull-down menu on the automation track in Studio One!