User Manual of Digital Video Recorder 
 
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Pressing numerical buttons will switch playback to the corresponding channels during playback process. 
Front panel operation is not supported by 7200HWI-SV series. 
2.  The playback starts from 5 minutes before by default. 
  
Figure 6. 2 Playback Interface 
 
 
  The    indicates the start time and end time of the record files. 
    represents normal recording (manual or schedule);    represents event recording (motion, alarm, motion 
| alarm, motion & alarm, VCA).   
  Playback progress bar: use the mouse to click any point of the progress bar to locate special frames, and a 
thumbnail of the specified frame will be displayed. 
3.  Check the checkboxes to select the channel(s), and then the video from the selected channels will be played 
back synchronously. Up to 16 channels can be set for synchronous playback. 
Click the Max. Camera for Playback tab, and you can play back the video from 16 channels at a time. 
Click the Min. Camera for Playback tab, and you can play back the video from only one channel. 
 
Normal Playback by Time 
Purpose: 
The time bar indicates the time duration for the record file. Click on the time bar to play back the video of the 
specified time. 
Steps: 
1.  Enter Playback interface. 
Menu>Playback 
2.  Select Normal from the drop-down list in the upper-left corner of the page to enter the Normal Playback