How do CCTV systems work?

Related questions

1. Why is it important to have CCTV?
2. What is CCTV technology?
3. What is the duty of CCTV operator?
4. How do I connect two monitors to one DVR?
5. What does a CCTV technician do?
6. How can I connect multiple CCTV cameras without DVR?
7. What is IP camera how it works?
8. What is the function of CCTV?
9. Does IP camera need Internet?
10. What is the responsibility of CCTV operator?

Tags

1. #digital
2. #analog
3. #stands
4. #through
5. #television
6. #means
7. #cable
8. #systems
9. #cameras
10. #remote
11. #recorder
12. #system
13. #signal
14. #below
15. #follow
16. #closed
17. #monitoring
18. #includes
19. #central
20. #schematic
21. #video
22. #circuit
23. #diagram