AGI Security SYS-HC0451S2 - Manual (Page 124)

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Figure 4-31
 Playback Mark
During 1-window playback mode, click mark file list button in Figure 4-28, 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.
 Mark Manager
Click the mark manager button on the Search interface (Figure 4-28); you can go to Mark
Manager interface. See Figure 4-32. 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 4-32
 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.
 Delete
Here you can check the mark information item you want to delete and then click Delete button, you can
remove one mark item. .
Note
 After you go to the mark management interface, system needs to pause current playback. System
resume playback after you exit mark management interface.
 If the mark file you want to playback has been removed, system begin playbacking from the first file
in the list.