Answer:
First, set "DIN" as the National Annex.
Thus, the "For standard case acc. to DIN EN 1997‑1, A6.10" option becomes available. See Image 01.
You can set here whether the soil is "cohesive" or "non-cohesive". In "Details", you can then enter further settings for the standard case tables, such as the values for allowable soil pressure. See Image 02.
The values given in the default case table cannot be edited.
