& -- Split X pane & Ctrl-1 & Toggle $\frac{1}{2}$ horiz track timeline window panes. \\
& -- Split Y pane & Ctrl-2 & Toggle $\frac{1}{2}$ vert track timeline window panes. \\
& Mixer Viewer & Shift-M & Bring up a Mixer Viewer window. \\
- & Tile mixers & Alt-t & Tile mixer windows to original position/size. \\
+ & Drag Tile mixers & Alt-t & Create a drag box to be used to tile mixers. \\
& Default Positions & Ctrl-p & Reset window positions/size to defaults. \\
& Tile Left & & Set window positions/sizes to tile left screen. \\
& Tile Right & & Set window positions/size to tile right screen. \\