User manual

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 Add Mark: When system is playback, click Mark button , you can go to the
following interface. See Figure 4-68.
Figure 4-68
 Playback Mark: During 1-window playback mode, click mark file list button ,you get
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.
 Mark Manager: Click the mark manager button on the Search interface (Figure
4-66); you can go to Mark Manager interface. See Figure 4-69. System can manage all
the record mark information of current channel by default. You can view all mark
information of current channel by time.
Figure 4-69
 Modify: Double click one mark information item, you can see system pops up a dialogue
box for you to change mark information. You can only change mark name here.