AMOSi:Menu Inactive
an example can be found on AMOSPro_Tutorial:Tutorials/Menus/Menus_6.AMOS
"greys out" a series of options from the menu. These items can still be selected, but they won't return a value to your AMOS program.
Menu Inactive level
Disables an entire level of your menu.
Menu Inactive(a,b,..)
Turns off a single menu item.