To set transition effects using the Page Manager ribbon
Select the slide or slides to which you want an effect to apply
On the Page Manager ribbon, click the arrow beside the Transition List box, and choose the transition effect you want.
Click the Directions button and choose the direction you want. (The button is unavailable when the selected transition has no direction.)
Click the arrow beside the Speed box and choose the transition speed you want.
To find out what effect is already assigned to a slide, select the slide and examine the settings in the ribbon.
Related Topics
Assigning Transition Effects