User Manual of Digital Video Recorder977.2 Managing Backup DevicesSteps:1. Enter Search Result interface of record files.Menu>Export>NormalSet search condition and click Search button to enter Search Result interface.At least one channel shall be selected.Figure 7. 18 Normal Video Search for Backup2. Select record files you want to back up.Click Export button to enter Export interface.At least one recording file shall be selected.Figure 7. 19 Result of Normal Video Search for Backup3. Backup device management. Management of USB flash drives, USB HDDs and eSATA HDDs