Here is the translation:

main menue
|
--EDW (is the control unit for the alarm system)
...|
...--variant coding
.......|
.......--country setting: rest of the world
.......--alarm siren instead of alarm horn
...........|
...........--Netherlands setting
...........--volume
...............|
...............--2% (how powerfull the chirp should be)
...............--4%
...............--6%

All that have to do your technican with the computer tool on the interface connection of you car.