Toa Cctv Training

Closed Circuit Television Systems
Fundamentals Course
TOA Corporation
TOA Electronics, Inc. (USA)
www.toaelectronics.com
TOA Canada Corporation (CANADA)
www.toacanada.com
Contents
1. CCTV SYSTEMS.......................................................................................................1
1-1. What are CCTVsystems?......................................................................................1
1-2. What are security systems? ...................................................................................1
1-3. How television works..............................................................................................2
1-4. Televisionsystem...................................................................................................5
2. CCTV SYSTEM DESIGN ...........................................................................................6
2-1. Designing a CCTV system.....................................................................................6
2-2. Aims of a surveillance camera system...................................................................6
2-3. System design elements........................................................................................7
2-4. Conditions for equipment selection ......................................................................10
2-5. Camera installation .............................................................................................. 11
3. CAMERA SELECTION..............................................................................................16
3-1. Types of cameras used in CCTV systems ...........................................................16
3-2. Power supply systems .........................................................................................17
3-3. Camera performance ...........................................................................................18
3-4.Camera functions .................................................................................................20
3-5. Synchronization methods.....................................................................................23
3-6. Camera mounts....................................................................................................25
4. LENSSELECTION....................................................................................................26
4-1. Angle of view settings ..........................................................................................26
4-2. Lens mount ..........................................................................................................27
4-3. Auto-iris lens........................................................................................................27
4-4. Types of lenses ....................................................................................................28
4-5. Lens selection ......................................................................................................30
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5. MONITOR SELECTION.............................................................................................31
5-1. Monitors ...............................................................................................................31
5-2. Reduced image scale on monitors .......................................................................32
5-3. Notes on monitorinstallation................................................................................33
6. SWITCHER SELECTION & VIDEO RECORDING ......................................................35
6-1. Sequential switcher ..............................................................................................35
6-2. Multi-viewer..........................................................................................................36
6-3. Matrix switcher...