13.4.4 Congure Disk Clone ............................................................................................... 148
13.4.5 Repair Database ...................................................................................................... 149
13.5 Upgrade Device ................................................................................................................ 150
13.5.1 Upgrade by Local Backup Device ............................................................................ 150
13.5.2 Upgrade by FTP ....................................................................................................... 150
13.5.3 Upgrade by Web Browser ....................................................................................... 151
13.6 Import/Export Device
Conguraon Files ........................................................................ 151
13.7 Search & Export Log Files ................................................................................................. 152
13.8 Export Diagnosc Informaon ......................................................................................... 153
13.9 Restore Default Sengs ................................................................................................... 153
13.10 Security Management .................................................................................................... 154
13.10.1 RTSP Authencaon ............................................................................................. 154
13.10.2 ISAPI Service .......................................................................................................... 154
13.10.3 HTTP Authencaon ............................................................................................. 154
13.10.4 IP Camera Occupaon Detecon .......................................................................... 155
Chapter 14 Appendix .............................................................................................................. 156
14.1 Glossary ........................................................................................................................... 156
14.2 Frequently Asked
Quesons ............................................................................................ 157
14.2.1 Why is there a part of channels displaying “No Resource” or turning black screen in
mul-screen of live view? .................................................................................................. 157
14.2.2 Why is the video recorder nofying not support the stream type? ....................... 158
14.2.3 Why is the video recorder
nofying risky password aer adding network camera?
............................................................................................................................................ 158
14.2.4 How to improve the playback image quality? ......................................................... 158
14.2.5 How to conrm the video recorder is using H.265 to record video? ...................... 158
14.2.6 Why is the meline at playback not constant? ....................................................... 159
14.2.7 When adding network camera, the video recorder
noes network is unreachable.
............................................................................................................................................ 159
14.2.8 Why is the IP address of network camera being changed automacally? .............. 159
Network Video Recorder User Manual
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