Navigation:  Untis Standard Package > Manual Timetabling > The scheduling dialogue > Allgemeines > Period availability

Lesson 11 is scheduled to take place on Wednesday, period 1, and Saturday, period 4, as clearly shown by the iconin first row.

 

An empty cell in the grid denotes a period available for scheduling an element (teacher, class or room) In the example, Fri-5 is still free for classes 1a and 1b. You can easily verify this by cross-checking the details in the class timetable.