Adobe PREMIERE 5 User Manual page 202

194 CHAPTER 4
Editing Video
Press Alt (Windows) or Option (Mac OS) as you click in the work area band above the
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series of clips you want to preview. This sets the work area to preview a continuous series
of clips. The work area stops at the first gap detected between clips to the left and right of
where you click.
Double-click the work area band to preview only the section of the Timeline that is visible
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in the Timeline window.
To preview the work area at the final playback speed:
Choose Project > Preview or press Enter (Windows) or Return (Mac OS).
This also processes all effects and stores them in preview files on disk (see "Working with
preview files" on page 197). The first time you preview, there may be a slight delay as effects
are processed. However, once effects are processed, subsequent previews play back instantly
unless you have edited effects within the work area since the last preview.
To preview by scrubbing the time ruler:
Do one of the following:
Drag the edit line in the time ruler. Premiere displays program frames without applied
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effects or filters.
To scrub while previewing applied effects and filters, press Alt (Windows) or Option
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(Mac OS) as you drag the edit line in the time ruler.
To scrub while viewing only the alpha channel mask, press Shift+Alt (Windows) or
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Shift+Option (Mac OS) as you drag the edit line in the time ruler.
You can also use the Monitor source and program controllers to view frames without
applied effects or filters (see "Displaying a clip" on page 132).