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Table of Contents

1 Product Overview ............................................................................................... 1

1.1 Model List........................................................................................................ 1

1.2 Structure ......................................................................................................... 1

1.2.1 VTO1210A-X/VTO1220A ...................................................................... 1

1.2.2 VTO1210B(W)-X/VTO1220B(W) ........................................................... 6

1.3 VTO1210C-X ................................................................................................ 10

2 Install VTO ....................................................................................................... 14

2.1 VTO1220A/VTO1210A-X .............................................................................. 14

2.1.1 Screw .................................................................................................. 14

2.1.2 Installation Steps ................................................................................. 14

2.1.3 Wiring.................................................................................................. 15

2.2 VTO1210B(W)-X/VTO1220B(W) ................................................................... 15

2.2.1 Screw .................................................................................................. 15

2.2.2 Installation Steps ................................................................................. 16

2.2.3 Wiring.................................................................................................. 16

2.3 VTO1210C-X ................................................................................................ 17

2.3.1 Screw .................................................................................................. 17

2.3.2 Installation Steps ................................................................................. 17

2.3.3 Wiring.................................................................................................. 17

3 Debug VTO ........................................................................................................ 1

3.1 Digital System ................................................................................................. 1

3.1.1 System .................................................................................................. 1

3.1.2 Configure VTO ...................................................................................... 2

3.1.3 Digital VTH ............................................................................................ 4

3.1.4 Result Test ............................................................................................ 4

3.2 Analog System ................................................................................................ 4

3.2.1 System .................................................................................................. 4

3.2.2 Configure VTO ...................................................................................... 5

3.2.3 Analog VTH........................................................................................... 7

Dahua VTO1220A User Manual

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