Local Basic Operations 119Step 4 Click again to stop smart search function. The motion detect region cannot be the full screen zone. The motion detect region adopts the current whole play pane by default. Selects the other file on the list, system begins playing the motion detect footagesof other file. The time bar unit switch, backward play, frame by frame are null when system isplaying motion detect file.4.6.4 Mark PlaybackWhen you are playback record, you can mark the record when there is important information.After playback, you can use time or the mark key words to search corresponding record andthen play. It is very easy for you to get the important video information. Add MarkWhen system is playback, click Mark button , you can go to the following interface. SeeFigure 4-98.Figure 4-98 Playback MarkDuring 1-window playback mode, click mark file list button in Figure 4-92, you can go tomark file list interface. Double-click one mark file, you can begin playback from the mark time. Play before mark timeHere 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 ManagerClick the mark manager button on the Search interface (Figure 4-92); you can go toManager interface. See Figure 4-99. System can manage all the record mark information ofcurrent channel by default. You can view all mark information of current channel by time.
