GGU-UPLIFT: Edit soils (Ex. 1)
Select the menu item "Edit/Soils". You will see an input dialog box, containing the program default values, namely a silt soil layer with the corresponding soil properties.
The example system has three soils. So, first, press the "Edit no. of soils" button and enter "3" as the new number of soils. Confirm with "OK". Then edit the values for the three soils according to the table in Section "Description of the system (Ex. 1)".

Confirm with "OK". The screen presentation will be refreshed accordingly.