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  112 
3)  Select the alarm linkage action(s) you want to disarm for the local alarm input 1. 
The selected linkage actions include Full Screen Monitoring, Audible Warning, 
Notify Surveillance Center, Send E-mail, Upload Captured Pictures to Cloud, and 
Trigger Alarm Output. 
Figure 149, Disarm Linkage Actions 
When alarm input 1 (Local <- 1) is enabled with one-key disarming, the other alarm 
input settings are not configurable. 
6.2.1  Detecting Video Loss 
Purpose 
Detect video loss of a channel and take alarm response action(s). 
1.  Go to Menu > Camera > Video Loss. 
Figure 150, Video Loss Setup Interface 
2.  Select a Camera you want to detect. 










