User manual
User Manual of Digital Video Recorder 
107 
Figure 6. 21 Result of System Log Search
6.  Select a log with record file and click   button to enter Playback interface. 
If there is no record file at the time point of the log, the message box “No result found” will pop up. 
Figure 6. 22 Interface of Playback by Log
6.1.7  Playing Back External Files 
Purpose: 
The record files stored in the external storage devices, e.g., USB flash drives, USB HDDs, can be searched and 
played back. 
Before you start: 
Insert the external device(s) with available record files into the device. 
Steps: 
1.  Enter the Playback interface. 
Menu > Playback 
2.  Click   and select   to enter the External File Playback interface. 










