Manual

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 After you searched files, system implement accurate playback once you click Play for the first
time.
 System does not support accurate playback for picture.
 System supports synchronization playback and non-synchronous playback. The synchronization
playback supports all channels and non-synchronous playback only supports accurately
playback of current select channel.
Figure 4-73
4.9.2.3 Mark Playback
Please make sure your purchased device support this function. You can use this function only if
you can see the mark playback icon on the Search interface (Figure 4-71).
When you are playback record, you can mark the record when there is important information. After
playback, you can use time or the mark key words to search corresponding record and then play. It is very
easy for you to get the important video information.
 Add Mark
When system is playback, click Mark button
, you can go to the following interface. See Figure 4-74.
Figure 4-74
 Playback Mark
During 1-window playback mode, click mark file list button
in Figure 4-71, you can go to mark file list
interface. Double click one mark file, you can begin playback from the mark time.
 Play before mark time
Here you can set to begin playback from previous N seconds of the mark time.
Note
Usually, system can playbacks previous N seconds record if there is such kind of record file. Otherwise,
system playbacks from the previous X seconds when there is such as kind of record.