Network Video Recorder User Manual 
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Otherwise it is displayed as   
Playback Interface   
You can use the toolbar in the bottom part of Playback interface to control playing progress, as shown in Figure 6. 
4. 
 
Figure 6. 4 Playback Interface 
 
Click the channel(s) to execute simultaneous playback of multiple channels. 
 
Figure 6. 5 Toolbar of Playback 
 
 
  The  indicates the start/end time of the recorded video files. 
  The    indicates the smart playback time bar and the    indicates the normal playback time 
bar.   
  Playback progress bar: use the mouse to click any point of the progress bar or drag the progress bar to 
locate specific frames. 
Table 6. 1 Detailed Explanation of Playback Toolbar 
Set full screen for motion 
detection 
Draw line for the line 
crossing detection 
Draw quadrilateral for the 
intrusion detection 
Filter video files by setting 
the target characters