Adobe AFTER EFFECTS CS3 PROFESSIONAL User Manual page 134

• To go to a specific frame, click in the time ruler or click the current-time display in the Footage, Layer, Compo-
sition, or Timeline panel.
• To manually preview (scrub) video in the Timeline panel or go to a specific frame, drag the current-time indicator.
Note: Shift-drag the current-time indicator to snap to keyframes, markers, In and Out points, the beginning or end of
the composition, or the beginning or end of the work area.
• To scrub audio in the Timeline panel, Ctrl+Alt-drag (Windows) or Command+Option-drag (Mac OS) the
current-time indicator.
• To scrub audio and video in the Timeline panel, Ctrl-drag (Windows) or Command-drag (Mac OS) the current-
time indicator.
If you stop moving the current-time indicator while keeping the mouse button depressed, a short section of audio
loops.
See also
"Shortcuts for time navigation" on page 636
Choose a viewer to always preview
Designating a viewer as the default panel to preview is particularly useful when you have a Composition viewer that
represents your final output, and you always want to preview that viewer even when you're changing settings in other
panels.
The panel that's set to always preview appears frontmost for the duration of the preview.
❖
Click the Always Preview This View button
Note: When multiple views are open, previews use the frontmost composition view for 2D compositions and the Active
Camera view for 3D compositions. To turn off the Active Camera, deselect Previews Favor Active Camera in the Time
Controls menu.
See also
"Work with viewers" on page 19
Preview modes
Each preview mode provides a different balance between quality and speed for playback and for updating of images
during editing and other interactions.
Draft 3D and Live Update modes apply to all views of a composition.
Disables lights, shadows, and cameras' depth-of-field blur. To turn Draft 3D mode on or off, click the Draft
Draft 3D
3D button at the top of the Timeline panel.
Updates video in the Composition or Layer panel during editing and other interactions. When Live
Live Update
Update is deselected, After Effects displays wireframe representations during edits, such as dragging a layer in the
Composition panel or modifying a property value in the Timeline panel. To turn Live Update mode on or off, click
the Live Update button
To temporarily toggle Live Update mode, hold Alt (Windows) or Option (Mac OS) while dragging to move a layer,
modify a property value, or move the current-time indicator.
in the bottom left corner of the panel.
, at the top of the Timeline panel.
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User Guide