⚫ Figure 1-98
⚫ Playback Mark
⚫ During 1-window playback mode, click mark file list button in Figure 1-92, 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.
⚫ 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 1-92); you can go to Manager
interface. See Figure 1-99. System can manage all the record mark information of current channel by
default. You can view all mark information of current channel by time.