User Manual

13.4.3 HDD Health Detecon ............................................................................................. 144
13.4.4 Congure Disk Clone ............................................................................................... 144
13.4.5 Repair Database ...................................................................................................... 145
13.5 Upgrade Device ................................................................................................................ 146
13.5.1 Upgrade by Local Backup Device ............................................................................ 146
13.5.2 Upgrade by FTP ....................................................................................................... 146
13.5.3 Upgrade by Web Browser ....................................................................................... 147
13.6 Import/Export Device
Conguraon Files ........................................................................ 147
13.7 Search & Export Log Files ................................................................................................. 148
13.8 Restore Default Sengs ................................................................................................... 149
13.9 Security Management ...................................................................................................... 149
13.9.1 RTSP Authencaon ............................................................................................... 149
13.9.2 ISAPI Service ............................................................................................................ 150
13.9.3 HTTP Authencaon ............................................................................................... 150
Chapter 14 Appendix .............................................................................................................. 151
14.1 Glossary ........................................................................................................................... 151
14.2 Frequently Asked
Quesons ............................................................................................ 152
14.2.1 Why is there a part of channels displaying “No Resource” or turning black screen in
mul-screen of live view? .................................................................................................. 152
14.2.2 Why is the video recorder nofying not support the stream type? ....................... 153
14.2.3 Why is the video recorder nofying risky password aer adding network camera?
............................................................................................................................................ 153
14.2.4 How to improve the playback image quality? ......................................................... 153
14.2.5 How to
conrm the video recorder is using H.265 to record video? ...................... 153
14.2.6 Why is the meline at playback not constant? ....................................................... 154
14.2.7 When adding network camera, the video recorder noes network is unreachable.
............................................................................................................................................ 154
14.2.8 Why is the IP address of network camera being changed automacally? .............. 154
14.2.9 Why is the video recorder
nofying IP conict? ..................................................... 154
Network Video Recorder User Manual
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