User Manual
DS-73xxHUI-K4, DS-73xxHQI-K4, DS-90xxHUI-K8 DVR User Manual 
UM DS-73xxHUI-K4 DS-73xxHQI-K4 DS-90xxHUI-K8 092017NA  50 
2.  Check the checkboxes to select the channels for diagnostics. 
3.  Click Diagnose, and the results will be displayed on a list. You can view the video status 
and diagnostics time of the selected channels. 
Figure 56, 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. 
4  PTZ Controls 
4.1  Configuring PTZ Settings 
Purpose 
Follow the following procedure to set PTZ parameters. Configure PTZ parameters before 
you control the PTZ camera. 
1.  Go to Menu > Camera > PTZ. 










