CC:37 Undo / Redo only supports the top layer.
| Undo/Redo Selected (Top layer) | 0 | Undo/Redo currently selected track’s top layer (6x6 mode) |
|---|---|---|
| Undo/Redo Track (Top layer) | 1-6 | Undo/Redo track’s top layer (track # = value #) |
Perhaps it is something like:
| Undo/Redo Selected (Bottom layer) | 10 | Undo/Redo currently selected tracks bottom layer if no top layer (6x6 mode) |
|---|---|---|
| Undo/Redo Track (Bottom layer) | 11-16 | Undo/Redo track’s bottom layer if no top layer (track # = value # -10) |