User Manual

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Playback Mark
During 1-window playback mode, click the mark file list button and you can go to mark file list
interface. Double click one-mark file, and you can begin playback from the mark time.
Play before mark time
Here you can set to begin playback from the previous N seconds of the mark time.
Note: Usually, the system can playback the previous N seconds of the record if there is a recording.
Otherwise, the system playbacks from the previous X seconds when there is a recording.
Mark Manager
Click the mark manager button on the Search interface; you can go to Mark
Manager interface. The system can manage all the record mark information of the current channel by
default. You can view all mark information of current channel by time.