Operation Manual
User Manual of Digital Video Recorder 
129 
longer than the set time, the alarm will be triggered. 
5)  Click   and draw a quadrilateral or click    to draw the full screen in the preview window for 
the selected intrusion region. 
You can use the   to clear the existing region and re-draw it. 
6)  Repeat the above steps to set other intrusion regions. 
7)  Click Apply to save the settings. 










