User Manual
Network Video Recorder User Manual   
UM NVR v4.xx 111717NA  101 
11.1.5 Playing Event Files 
Purpose 
Play back video files on one or several channels searched by event type (e.g., alarm 
input, motion detection, line crossing detection, face detection, vehicle detection, 
etc.). 
Step 1 Go to Playback. 
Step 2 Click Custom Search on the left bottom to enter the Search Condition interface. 
Step 3 Click Smart Search on the top right corner.   
Step 4 Enter the search conditions for the event files, e.g., time, event type, file status, 
people appearance (for face detection, human detection, etc.), and vehicle 
information (for vehicle detection event). 
Step 5 Click Search. 
Step 6 On the search results interface, select an event video file/picture file and click 
it to start playing the video or double-click it to play the picture.   










