User Manual
DS-72xxHUI-Kx, DS-72xxHQI-Kx Digital Video Recorder (DVR) User Manual 
UM DS-72xxHUI-Kx, DS-72xxHQI-Kx 062817NA    97 
According to the defined number of split-screens, the video files on 
the selected date can be divided into average segments for playback. 
E.g., if there are video files existing between 16:00 and 22:00, and 
the 6-screen display mode is selected, then it can play the video files 
for 1 hour on each screen simultaneously.   
•  Playing Back External File 
P
erform the following steps to look up and play back files in the external devices. 
 1.  Enter the Playback interface, Menu > Playback. 
 2.  Select the External File in the drop-down list on the top-left side. 
The files are listed in the right-side list. 
Click    to refresh the file list. 
 3.  Select and click    to play it back. 
Figure 126, Interface of External File Playback 
6.2  Playback Auxiliary Functions 
6.2.1  Playing Back Frame-by-Frame 
Play video files frame-by-frame to check image details of the video when abnormal events happen. 
1.  Go to Playback interface and click 
  until the speed changes to 
Single 
frame.   










