8.7. Configuring the Redundant Recording.... 54
8.8. Configuring the HDD Group for
Recording........................................................ 56
8.9. Files Protection........................................ 57
9. Playback.......................................................... 59
9.1. Playing Back Recording Files .................. 59
9.1.1. Playing Back by Channel................... 59
9.1.2. Playing Back by Time ........................ 61
9.1.3. Playing Back by Event Search........... 62
9.1.4. Playing Back by Tag .......................... 64
9.1.5. Playing Back by System Logs ........... 66
9.1.6. Playing Back the External File.......... 68
9.2. Auxiliary Functions of Playback............... 68
9.2.1. Playing Back Frame by Frame.......... 68
9.2.2. Digital Zoom ...................................... 69
9.2.3. Reverse the Playback of
Multi-channel.............................................. 69
10. Backup .......................................................... 70
10.1. Backing up the Recording Files............. 70
10.1.1. Backing up by Normal
Video Search................................................ 70
10.1.2. Backing up by Event Search............ 73
10.1.3. Backing up Video Clips.................... 76
10.2. Managing the Backup Devices............... 77
11. Alarm Settings ............................................. 80
11.1. Setting the Motion Detection Alarm ..... 80
11.2. Setting the Sensor Alarms.................... 82
11.3. Detecting Video Tampering .................. 84
11.4. Detecting a Video Loss Alarm............... 85
11.5. Handling an Exceptions Alarm............. 86
11.6. Setting Alarm Response Actions ......... 86
11.7. Triggering or Clearing an Alarm Output
Manually ........................................................ 89
12. Network Settings......................................... 90
12.1. Configuring the General Settings ........ 90
12.2. Configuring the Advanced Settings...... 90
12.2.1. Configuring the PPPoE Settings.... 90
12.2.2. Configuring the Extranet Access ... 90
12.2.3. Configuring DDNS.......................... 91
12.2.4. Configuring the NTP Server........... 92
12.2.5. Configuring SNMP ......................... 93
12.2.6. Configuring the Remote
Alarm Host................................................. 93
12.2.7. Configuring Multicast .................... 94
12.2.8. Configuring RTSP........................... 94
12.2.9. Configuring the Server and
HTTP Ports................................................. 94
12.2.10. Configuring Email ........................ 95
12.2.11. Configuring NAT........................... 96
12.3. Checking the Network Traffic .............. 100
12.4. Configuring the Network Detection ..... 100
12.4.1. Testing the Network Delay and
Packet Loss................................................ 100
12.4.2. Exporting the Network Packet ...... 101
12.4.3. Checking the Network Status........ 102
12.4.4. Checking the Network Statistics ... 102
13. HDD Management....................................... 103
13.1. Initialising HDDs ................................... 103