4.1.4 PTZ ............................................................................................................................. 40
4.1.5 Privacy Mask ............................................................................................................. 42
4.1.6 Motion....................................................................................................................... 43
4.1.7 PIR ............................................................................................................................. 45
4.1.8 Intelligent .................................................................................................................. 47
4.1.8.2 Line Crossing ......................................................................................................... 49
4.1.8.5 Face Detection ...................................................................................................... 55
4.1.8.7 Sound Detection ................................................................................................... 59
4.1.8.8 Tamper Detection ................................................................................................. 60
4.1.8.9 Record Schedule ................................................................................................... 61
4.2
Record ........................................................................................................................... 63
4.2.1 Stream ....................................................................................................................... 63
4.2.1.1 Main Stream .......................................................................................................... 63
4.2.1.2 Sub Stream ............................................................................................................ 65
4.2.1.3 Mobile Stream ...................................................................................................... 67
4.2.2 Record ....................................................................................................................... 68
4.2.2.1 Record ................................................................................................................... 68
4.2.2.2 Record Schedule ................................................................................................... 69
4.2.3 Snapshot ................................................................................................................... 70
4.2.3.1 Snapshot ............................................................................................................... 70
4.2.3.2 Snap. Schedule ...................................................................................................... 71
4.3
Alarm ............................................................................................................................. 72
4.3.1 Motion....................................................................................................................... 72
4.3.2 PIR ............................................................................................................................. 74
4.3.3 IO ............................................................................................................................... 76
4.3.4 Intelligent Alarm ....................................................................................................... 78
4.3.5 PTZ Linkage ............................................................................................................... 80
4.3.6 Exception ................................................................................................................... 81
4.4
Network ........................................................................................................................ 82
4.4.1 General ...................................................................................................................... 82
4.4.1.1 General .................................................................................................................. 82
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