22
Note
Usually, system can playback previous N seconds record if there is such a kind of record file.
Otherwise, system playbacks from the previous X seconds when there is such a kind of record.
Mark Manager
Click the mark manager button
on the Search interface (Figure 2-12); you can go to Mark
Manager interface. See Figure 2-16. 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 2-16
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 resumes 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.
2.4.4 Multiple-channel Preview
Right click mouse and then select multiple-channel preview; you can go to the following
interface. See Figure 2-17. Here you can enable and set multiple-channel preview so that
you can view several video at one channel.