UMD NVR User Manual
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4.6 Playback.....................................................................................................................................15
4.7 Recording data backup ..........................................................................................................15
4.8 System Upgrade ......................................................................................................................16
4.8.1 USB upgrade..................................................................................................................16
5. Detailed operation ............................................................................................................................18
5.1 System Log................................................................................................................................18
5.2 System shutdown ....................................................................................................................18
5.3 Right menu ...............................................................................................................................19
5.3.1 Preview mode................................................................................................................19
5.3.2 Screen polling................................................................................................................22
5.3.3 Manual Recording ........................................................................................................23
5.3.4 Preview Snapshot .........................................................................................................23
5.3.5 PTZ control.....................................................................................................................24
5.3.6 Audio Monitoring.........................................................................................................26
5.3.7 Playback Backup ...........................................................................................................26
5.3.7.1 Query video ........................................................................................................27
5.3.7.2 Video playback...................................................................................................27
5.3.7.3 Backup video ......................................................................................................28
5.3.8 Arm / Disarm .................................................................................................................29
5.3.9 Locking System .............................................................................................................30
5.4 System Settings........................................................................................................................31
5.4.1 General Settings............................................................................................................31
5.4.2 Recording Scheme........................................................................................................33