Pixela Corporation DCR-TRV340 PIXELA ImageMixer 1.0 Instruction Manual page 119

Trimming
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Movie files (and picture files treated as movie files) can be arranged on the
Storyboard by dragging & dropping their thumbnails from the thumbnail list
window. If necessary, ImageMixer will automatically export an MPEG1 version of
the media to facilitate the editing process.
1. Double-click a movie clip already placed on the Storyboard.
When a movie or still picture file arranged on the Storyboard is not in the MPEG1 format
used in the Movie edit mode, ImgeMixer will automatically export the file as an MPEG1
formatted file. In this case, the original file remains and the exported file that is created is
saved and added to the album.
In Macintosh, when a movie file is arranged on the Storyboard system memory is
consumed. When many movie files are arranged and there is a low amount of free
memory an insufficient memory error message may be displayed. In this case, increase
the amount of free memory by increasing the virtual memory size. Virtual memory size
can be adjusted from the memory control panels under the Apple menu.
2. The Movie Editor window will appear.
3. Use the play position slider to define the point (frame) at which you
want the movie to begin playing. Click the [In-point] button.
4. Use the play position slider to define the point (frame) at which you
want the movie to stop playing. Click the [Out-point] button.
5. Preview the edited scene by clicking the [Trimmed range preview]
button.
6. Click the [OK]
Movie editor window (trimming options)
button to accept the defined range.