User Manual
DS-73xxHUI-K4, DS-73xxHQI-K4, DS-90xxHUI-K8 DVR User Manual 
UM DS-73xxHUI-K4 DS-73xxHQI-K4 DS-90xxHUI-K8 092017NA  104 
Figure 133, Result of Normal Video Search for Backup 
7.  Select video files from the Chart or List to export, and click the 
button Export to enter the Export interface. 
8.  You can also click Export All to select all the video files for 
backup and enter the Export interface. 
Figure 134, Export by Normal Video Search using USB Flash Drive 
9.  Select the backup device from the drop-down list and you can 
also select the file format to filter the files existing in the 
backup device.   
10. Select the saving type. 










