User Manual of Network Video Recorder 
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Otherwise it is displayed as  . 
In the Playback interface: 
The toolbar in the bottom part of Playback interface can be used to control playing process, as shown in Figure 6. 
6. 
 
Figure 6. 6 Interface of Playback by Time 
 
 
Figure 6. 7 Toolbar of Playback by Time 
 
 
The    indicates the start/end time of the record. 
Table 6. 2 Detailed Explanation of Playback-by-time Interface