Digital Video Recorder User Manual 
 
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Figure 8-14 Video Quality Diagnostics Interface 
Step 2 Check the checkbox of Enable Video Quality Diagnostics. 
   
To enable video quality diagnostics, the function should be supported by the selected camera. 
Step 3 Enable and set the threshold of the diagnostic types, there are Blurred Image, Abnormal 
Brightness, and Color Cast. 
Check the corresponding checkbox of the diagnostic type, and adjust the threshold of it by 
dragging the bar. 
   
The higher the threshold you set, the harder the exception will be detected. 
Step 4 Click    to set handling method of video quality diagnostics. Set arming schedule and 
alarm response actions of the channel. 
1) Click Arming Schedule tab to set the arming schedule of response action. 
2) Choose one day of a week and up to eight time periods can be set within each day. 
   
Time periods shall not be repeated or overlapped.