Digital Video Recorder User Manual 
 
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Figure 3-12 Video Quality Diagnostics 
Step 2 Check the checkboxes to select the channels for diagnostics. 
Step 3 Click the button Diagnose, and the results will be displayed on a list. You can view the video 
status and diagnostics time of the selected channels. 
 
Figure 3-13 Diagnostics Result 
   
 
Connect the camera to the device for the video quality diagnostics. 
 
Three exception types can be diagnosed: Blurred Image, Abnormal Brightness and Color 
Cast.