User Manual
Alarm Management 
      NVR  User  Manual 
76 
③  Select the line and direction. You can add 4 lines at most. 
Direction: A<->B, A->B and A<-B optional. It is the crossing direction of the intruder who 
crosses over the alert line.   
A<->B: the alarm triggers when the intruder crosses over the alert line from B to A or from A 
to B. 
A->B: the alarm triggers when the intruder crosses over the alert line from A to B. 
A<-B: the alarm triggers when the intruder crosses over the alert line from B to A. 
④  Draw the alert surface. Refer to the interface as shown above. Check “Draw line” and then 
drag the mouse in the image to draw an alert line. Uncheck the “Draw line” if you finish the 
drawing. Click “Clear” button to delete the alert line.   
⑤  Click “Apply” to save the settings. 
⑥  Click  “Processing  Mode”  to  go  to  the  alarm  handling  configuration  interface  of  line 
crossing detection.   
Line Crossing Alarm Handling Configuration: 
①  Click  StartSettingsAlarmIntelligence  AlarmTripwire  to  go  to  the  following 
interface.   
②  Enable or disable “Snapshot”, “Push”, “Alarm-out”, “Preset”, “Buzzer”, “Pop-up Video” 
and “E-mail”. The alarm handling setting of line crossing alarm is similar to that of the sensor 
alarm (see 9.1 Sensor Alarm for details).   
③  Click  “Apply”  to  save  the  settings.  You  can  click  “Crossing  Config” to  go  to  the  line 
crossing configuration interface. 
9.3.4    Intrusion Detection 
Intrusion Configuration: 
The relevant alarms will be triggered if someone or something intrudes into the warning areas 
or moves in the warning areas drew by the users. 
①  Click StartSettingsCameraIntelligent DetectionIntrusion to  go  to the following 
interface. 
②  Select the camera, enable the intrusion detection and set the duration.   
③  Select the warning area. You can add 4 warning areas at most. 
④  Draw the warning area of the intrusion detection. Refer to the interface as shown below. 










