User Manual of DS-7200/7300/8100 Series DVR
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3.5 Manual Video Quality Diagnostics
Purpose:
The video quality of the analog cameras can be diagnosed manually and you can view the diagnostic results
from a list.
The DS-7200HWI-E1(2)/C/F does not support video quality diagnostics.
Steps:
1. Enter the Manual Video Quality Diagnostics interface.
Menu> Manual >Manual Video Quality Diagnostics
2. Check the checkboxes to select the analog channels for diagnostics.
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 Video Quality Diagnostics
Connect the analog signal to the device for the video quality diagnostics.
Three exception types can be diagnosed: Blurred Image, Abnormal Brightness and Color Cast.
You can enter Menu> Camera> Video Quality Diagnostics to adjust the value of the Blurred Image,
Abnormal Brightness and Color Cast.