GGU-GEO-GRAPH: "Individual values" menu item
It is often a chore to enter or edit values using the previously described data editor in "Edit/Define points (editor)" because each data point must be opened individually. This menu item simplifies input, editing and checking of measured values. First, a dialog box opens in which you must select the parameter to be edited (e.g. "GW [m gauge] 3/17" button):

After clicking this button you will see the following dialog box:

All existing data points for the respective parameter are displayed in this dialog box. If there are more than 10 data points you can move through the list using "Forw." and "Back" and make alterations or new entries.