You can use the Effect Controls panel
to change settings for a transition you placed in a sequence. Settings
vary from transition to transition.

Transition in Effect Controls panel
- A.
- Play The Transition button
- B.
- Transition
preview
- C.
- Edge selector
- D.
- Clip previews
- E.
- Start
and End sliders
- F.
- Clip A (first clip)
- G.
- Transition
- H.
- Clip B
(second clip)
- I.
- Current‑time indicator