4.6.3 Output mode ........................................................................................................ 21
4.7 Maintenance and management .......................................... אי !מ יא ימי.
4.7.1 Log information .......................................................... אי !מ יא ימי.
4.7.2 Version information .................................................... יא !מ יא ימי.
4.7.3 Restore the default .............................................................................................. 23
4.7.4 Stream statistics ......................................................... אי !מ יא ימי.
4.7.5 Automatic maintenance ...................................................................................... 23
4.7.6 Online Users ............................................................... אי !מ יא ימי.
4.8 Turn off the device ................................................................ אי !מ יא ימי.
5 WEB and client ........................................................................................................................... 39
5.1 WEB operation ................................................................................................................. 39
5.1.1 Network connection ..................................................................................................... 39
5.1.2 Control installation and user login logout......................................................... 39
5.1.3 WEB operator interface ....................................................................................... 40
5.1.4 Real - time video surveillance ............................................................................ 41
5.1.5 PTZ control ............................................................................................................ 42
5.1.6 System Configuration .......................................................................................... 43
5.1.7 Video inquiry ......................................................................................................... 44
5.1.8 Alarm settings ....................................................................................................... 45
5.1.9 About ..................................................................................................................... 46
5.2 Client operating ............................................................................................................... 46
6 Extended functionality............................................................................................................... 46
6.1 DDNS function ................................................................................................................. 46
6.1.1 Outline ................................................................................................................... 46
6.1.2 VSSIP ....................................................................................................................... 47
6.1.3 3322 DDNS ............................................................................................................. 47
6.1.4 NO-IPwww.no-ip.com ..................................................................................... 47
6.1.5 Dyndns DDNS(www.dyndns.com) ....................................................................... 48
6.1.6 Dynamic DNS verification ................................................................................... 48
6.2 Port mapping ................................................................................................................... 50
6.2.1 UPnP function ....................................................................................................... 50
6.2.2 Manual port mapping .......................................................................................... 51
6.3 NTP function .................................................................................................................... 51
6.3.1 Internet network environment settings ............................................................ 51
6.3.2 Private network environment settings .............................................................. 51
6.4 PTZ function .................................................................................................................... 53
6.5 Voice intercom ................................................................................................................. 57
6.5.1 Outline ................................................................................................................... 57
6.5.2 Configuration method ......................................................................................... 58
6.6 Hard disk redundancy .................................................................................................... 58
6.7 Hard S.MA.R.T technology ............................................................................................. 59
7 Appendix ..................................................................................................................................... 61
7.1 Term .................................................................................................................................. 61
7.1.1 I-frames ................................................................................................................. 61