Digital Video Recorder User Manual 
 
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Figure 8-8 Set PTZ Linking of Alarm Input 
Step 7 If you want to set handling action of another alarm input, repeat the above steps or just 
copy the above settings to it. 
 
Figure 8-9 Copy Settings of Alarm Input 
8.3  Detecting Video Loss 
Purpose 
Detect video loss of a channel and take alarm response action(s). 
Step 1 Enter Video Loss interface of Camera Management and select a channel you want to 
detect. 
Menu> Camera> Video Loss