Playback9
4. Check the channels you want to play back. Click the icons to the right of each channel name
to choose the video quality (
for Main Stream, for Sub Stream).
5. Click inside the video bar to select the playback time. The system will begin playing back vid-
eo from the selected time.
6. Click to mark the beginning of the video clip, then click again to mark the end of the vid-
eo clip.
7. Click
to open the backup menu.
8. Select a filetype for your backup file.
9. Click Backup.
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