User Manual
Network Video Recorder User Manual   
UM NVR v4.xx 111717NA  134 
3)  Click Draw Region and draw a quadrilateral in the preview window by specifying 
four vertices of the detection region. 
Step 7 Set the arming schedule. Refer to Chapter 12.1 Configuring Arming Schedule.     
Step 8 Set the linkage actions. Refer to Chapter 12.2 Configuring Alarm Linkage Actions. 
Step 9 Click Apply. 
13.8 Object Removal Detection 
Purpose 
The Object Removal Detection function detects objects removed from a pre-defined region 
such as exhibits on display, and a series of actions can be taken when the alarm is triggered. 
Step 1 Go to System > Event > Smart Event. 
Step 2 Click Object Removable. 
Figure 13-8 Object Removal Detection 
Step 3 Select a camera to configure. 
Step 4 Check Enable Object Removable Detection. 
Step 5 Optionally, check Save VCA Picture to save the captured object removable detection 
pictures. 
Step 6 Follow these steps to set the detection rules and detection areas. 
1)  Select an Arming Region to configure. Up to four regions are selectable. 
2)  Drag the sliders to set Time Threshold and Sensitivity. 










