5.5 Alarm Configuration .................................................................................................................. 255.5.1 Sensor Alarm ....................................................................................................................... 255.5.2 Motion Alarm ...................................................................................................................... 265.5.3 Other Alarm ......................................................................................................................... 285.5.4 Alarm Out ............................................................................................................................ 285.6 Network Configuration .............................................................................................................. 295.6.1 Network ............................................................................................................................... 295.6.2 Email ................................................................................................................................... 305.6.3 Server ................................................................................................................................... 305.6.4 NAT ..................................................................................................................................... 315.6.5 Other Settings ...................................................................................................................... 315.7 User Management Configuration ............................................................................................... 345.8 Advanced ................................................................................................................................... 355.8.1 Reset .................................................................................................................................... 355.8.2 Import/Export ...................................................................................................................... 355.8.3 Block/Allow List ................................................................................................................. 366 Search, Playback & Backup .................................................................................................... 376.1 Time Search ............................................................................................................................... 376.2 Event Search .............................................................................................................................. 376.3 File Management ....................................................................................................................... 386.4 Search by Image ......................................................................................................................... 396.5 Backup ....................................................................................................................................... 397 Manage NVR ............................................................................................................................ 417.1 Check System Information ......................................................................................................... 417.1.1 System Information ............................................................................................................. 417.1.2 Event Information ................................................................................................................ 417.1.3 Log Information ................................................................................................................... 417.1.4 Network Information ........................................................................................................... 417.1.5 Online Information .............................................................................................................. 417.1.6 Record Information .............................................................................................................. 417.1.7 QRCODE ............................................................................................................................. 417.2 Manual Alarm ............................................................................................................................ 427.3 Disk Management ...................................................................................................................... 427.4 Upgrade...................................................................................................................................... 437.5 Logoff ........................................................................................................................................ 438 Remote Surveillance ................................................................................................................ 448.1 IE Remote Surveillance by NAT ................................................................................................ 448.1.1 NAT Settings........................................................................................................................ 448.1.2 NAT Access ......................................................................................................................... 448.2 IE Remote Surveillance via LAN & WAN ................................................................................. 458.2.1 Via LAN .............................................................................................................................. 458.2.2 Via WAN.............................................................................................................................. 458.3 Remote Surveillance through Apple PC ..................................................................................... 468.3.1 Via LAN .............................................................................................................................. 46