User Manual of Digital Video Recorder 
10 
5.4 Configuring Alarm Triggered Record............................................................................................67
5.5 Configuring VCA Record..............................................................................................................69
5.6 Configuring Manual Record..........................................................................................................71
5.7 Configuring Holiday Record .........................................................................................................72
5.8 Configuring Redundant Recording................................................................................................74
5.9 Configuring HDD Group for Recording........................................................................................76
5.10 Files Protection..............................................................................................................................77
Chapter 6 Playback..............................................................................................................................79
6.1 Playing Back Record Files ............................................................................................................80
6.1.1 Playing Back by Channel.....................................................................................................80
6.1.2 Playing Back by Time..........................................................................................................83
6.1.3 Playing Back by Event Search.............................................................................................83
6.1.4 Playing Back by Tag............................................................................................................86
6.1.5 Playing Back by Smart Search.............................................................................................89
6.1.6 Playing Back by System Logs .............................................................................................90
6.1.7 Playing Back External File ..................................................................................................92
6.2 Auxiliary Functions of Playback ...................................................................................................93
6.2.1 Playing Back Frame by Frame.............................................................................................93
6.2.2 Digital Zoom........................................................................................................................93
6.2.3 Reverse Playback of Multi-channel .....................................................................................93
Chapter 7 Backup ................................................................................................................................95
7.1 Backing up Record Files ...............................................................................................................96
7.1.1 Backing up by Normal Video Search...................................................................................96
7.1.2 Backing up by Event Search................................................................................................99
7.1.3 Backing up Video Clips .....................................................................................................102
7.2 Managing Backup Devices..........................................................................................................105
Chapter 8 Alarm Settings..................................................................................................................107
8.1 Setting Motion Detection.............................................................................................................108
8.2 Setting Sensor Alarms ................................................................................................................. 110
8.3 Detecting Video Loss................................................................................................................... 113
8.4 Detecting Video Tampering......................................................................................................... 115
8.5 Detecting VCAAlarm ................................................................................................................. 117
8.6 Setting All-day Video Quality Diagnostics..................................................................................121
8.7 Handling Exceptions ...................................................................................................................122
8.8 Setting Alarm Response Actions .................................................................................................124
8.9 Triggering or Clearing Alarm Output Manually..........................................................................126
Chapter 9 Network Settings ..............................................................................................................127
9.1 Configuring General Settings......................................................................................................128
9.2 Configuring Advanced Settings...................................................................................................130
9.2.1 Configuring Extranet Access .............................................................................................130
9.2.2 Configuring PPPoE Settings..............................................................................................134
9.2.3 Configuring NTP Server....................................................................................................135
9.2.4 Configuring SNMP............................................................................................................135
9.2.5 Configuring NAT...............................................................................................................136