For each submenu there is a special register, which indicates if there are any active parameters inside the particular submenu. If the value of the MenuActivePoints register is higher than 0, it means that there is at least one active parameter in the submenu, and the icon assigned to that submenu is displayed.

The MenuActivePoints register reads values from all XConfiguration active bits inside a particular submenu. If one of the active bit values is true, the MenuActivePointsregister becomes positive.