For example, in the case of a KMU-light, the dimming has been changed to 33% via the DIP switches:

In order for the change of the dimming to be accepted, a reset of the lamp is necessary. To do this, hold the test button until the yellow LED has flashed 10 times.

This also applies to all other lights. As soon as a change of the DIP switches is made, the light must be completely reset once in order for the change to be applied.