You can create or change 'default' settings on any 'action' screen by pressing the Shift button before clicking on the item.
•A 'default' setting is one that will be pre-selected when you first enter or call up the screen.
•'Action' screens are those screens that lead directly to a primary Pathagoras function. Most screens that you will see are action screens.
•To unset a selection, either choose a new default, or Shift-click the same selection. A screen will appear to confirm your action.
Pressing Shift-click on a radio button at the left in the Libraries & Books screen your selection the 'default' book.
Shift-clicking 'Names' or 'Subjects' or 'Clause-Sets' in the middle box sets the default display in the Clause Selection Screen.
Shift+left mouse click will set any option as the new default.