Operation Manual
User Manual of Digital Video Recorder 
103 
supported. 
Steps: 
1.  Enter Playback interface. 
Menu>Playback 
2.  Check more than one checkboxes to select multiple channels and click to select a date on the calendar. 
Figure 6. 19 4-ch Synchronous Playback Interface 
3.  Click   to play back the record files reversely. 










