Digital Video Recorder User Manual
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For DS-7300/8100/9000HUHI-F/N series DVR, if the sum of the analog and IP channels exceeds 25,
up to 32-window division mode is supported for the VGA/HDMI1 output.
3.5 Manual Video Quality Diagnostics
Purpose
The video quality of the analog channels can be diagnosed manually and you can view the
diagnostic results from a list.
Step 1
Enter the Manual
Video Quality Diagnostics
interface.
Menu> Manual >Manual Video Quality Diagnostics
Figure 3-11
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 3-12
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.