By default, 12 function keys (F1-F12) are assigned to visual state management. All of them are represented in the table as "Fn". Key Binding Action = zoom in on timeline - zoom out on timeline z switch zoom focus to playhead CtrlAltz Zoom to fit selected region(s) (time axis only) Altz Zoom to fit selected region(s) (time axis & vertical axis) Shiftz Undo zoom change CtrlFn Save current visual state as VS #n (hold for 2 secs) CtrlFn Restore visual state #n (occurs on key release)