Apple Final Cut Pro 7 - Manual (Page 753)

If there are enough overlapping frames on both sides of the edit point, the selected
transition is added to your edit, centered at the edit point.
The added transition,
centered on the edit point.
To change the position of the transition, see “Changing the Alignment of a Transition in
the Timeline.”
To add the default audio transition
Do one of the following:
µ
Select an edit point between two audio clips or position the Canvas or Timeline playhead
at the desired edit point, then press Option-Command-T.
µ
Control-click an edit point between two audio clips in the Timeline, then choose Add
Transition from the shortcut menu.
The name of the current default transition appears next to the command in the shortcut
menu.
Once a transition has been applied, you can change the type of cross fade it is (0 or +3 dB)
by Control-clicking it again and choosing the appropriate transition from the shortcut
menu.
Adding Transitions to Clips in Your Sequence
You can add any type of transition, whether or not it’s the default transition, using the
Effects menu or the Effects tab in the Browser.
To add a transition from the Effects menu
1 Do one of the following:
• Click an edit point between two clips in your sequence to select it.
• Position the Canvas or Timeline playhead at the desired edit point.
• Position the Canvas or Timeline playhead on a transition that’s already been edited
into your sequence.
2 Do one of the following:
• Choose Effects > Video Transitions, choose the type of transition, then choose the
desired transition from the submenu.
753 Chapter 47 Adding Transitions