DIALux evo automatically sets the visual task area and the surrounding area to a height of 0.8m when creating task areas according to EN12464. The background area however at 0m height.
According to the convention, the background area is always on the ground. In the standard, the specification of 0m is not directly formulated. However, in many documentations, manufacturers such as Trilux, Philips and others, who have actively participated in the standard, can this value be found again.