Separation:

Cmd+NNew separation channel
Cmd+DDuplicate separation channel
DelDelete
Cmd+ZUndo
Cmd+Shift+ZRedo
Cmd+StartMove at top
Cmd+UpMove up
Cmd+DownMove down
Cmd+EndMove at bottom
Cmd+OLoad separation
Cmd+SSave separation
Cmd + 1...9Select separation
Cmd+ClickSet coloration color
Cmd+Shift+ClickSet separation base color


Preview:

 Alt+O View original
Alt+CView color separation
Alt+EView deltaE colors difference
Alt+GView grayscale
Cmd+YView production simulation