Edit the Slide Timings
The
Timings that you rehearsed and saved were added to the Slide
Transitions. You can edit the Slide Timing with the
Transitions Ribbon.
Before
You Begin: Change the View
Go to
View->Slide Sorter.
You should
see the Timing beneath each Slide, next to the Animation
star.
3.
Try it: Edit the Timing
Slide 3 is
selected.
Go to Transitions->Timing.
Each slide
should have a check mark to Advance Slide After.
Edit the
Timing: 00:20:00
Please
make the Timing for each slide 20 seconds. Keep going.