User Manual of Digital Video Recorder 
 
10 
5.5
  Configuring Holiday Record   ......................................................................................................... 62
5.6
  Configuring Redundant Recording   ................................................................................................ 64
5.7
  Configuring HDD Group for Recording   ........................................................................................ 66
5.8
  Files Protection   .............................................................................................................................. 67
Chapter 6  Playback   .................................................................................................................................... 69
6.1
  Playing Back Record Files   ............................................................................................................ 70
6.1.1
  Playing Back by Channel   ..................................................................................................... 70
6.1.2
  Playing Back by Time   .......................................................................................................... 72
6.1.3
  Playing Back by Event Search   ............................................................................................. 73
6.1.4
  Playing Back by Tag   ............................................................................................................ 76
6.1.5
  Smart Playback   .................................................................................................................... 78
6.1.6
  Playing Back by System Logs   ............................................................................................. 79
6.1.7
  Playing Back External File   .................................................................................................. 81
6.2
  Auxiliary Functions of Playback   ................................................................................................... 82
6.2.1
  Playing Back Frame by Frame   ............................................................................................. 82
6.2.2
  Smart Search   ........................................................................................................................ 82
6.2.3
  Digital Zoom   ........................................................................................................................ 84
6.2.4
  Reverse Playback of Multi-channel   ..................................................................................... 84
Chapter 7  Backup   ...................................................................................................................................... 86
7.1  Backing up Record Files   ............................................................................................................... 87
7.1.1
  Quick Export   ........................................................................................................................ 87
7.1.2
  Backing up by Normal Video Search   ................................................................................... 88
7.1.3
  Backing up by Event Search   ................................................................................................ 91
7.1.4
  Backing up Video Clips   ....................................................................................................... 94
7.2
  Managing Backup Devices   ............................................................................................................ 96
Chapter 8  Alarm Settings   .......................................................................................................................... 99
8.1
  Setting Motion Detection  ............................................................................................................. 100
8.2
  Detecting Video Loss  ................................................................................................................... 102
8.3
  Detecting Video Tampering   ......................................................................................................... 104
8.4
  Setting All-day Video Quality Diagnostics   .................................................................................. 106
8.5
  Handling Exceptions   ................................................................................................................... 107
Chapter 9  Network Settings   .................................................................................................................... 108
9.1
  Configuring General Settings   ...................................................................................................... 109
9.2
  Configuring Advanced Settings   ................................................................................................... 110
9.2.1
  Configuring PPPoE Settings   .............................................................................................. 110
9.2.2
  Configuring Extranet Access   ............................................................................................. 110
9.2.3
  Configuring NTP Server   .................................................................................................... 114
9.2.4
  Configuring SNMP   ............................................................................................................ 115
9.2.5
  Configuring NAT   ............................................................................................................... 115
9.2.6
  Configuring the Remote Alarm Host   ................................................................................. 117
9.2.7
  Configuring Multicast   ........................................................................................................ 118
9.2.8
  Configuring RTSP   .............................................................................................................. 118
9.2.9
  Configuring Server and HTTP Ports   .................................................................................. 118
9.2.10
  Configuring HTTPS Port   ................................................................................................... 119