TECHNICIAN-JOHN.BLOGSPOT: 01/16/13

How to Repair a CCTV Security Camera thumbnail

There are numerous potential problems associated with CCTV security cameras.

A closed circuit television (CCTV) security camera is a good way to ensure safety in a public building, but as with any type of electronic equipment, there are possible performance problems. Such issues include the camera not sending images to the monitoring station, sending blurry images and images flickering on the monitor. Depending on the problem you encounter, there are several solutions.

Instructions

Picture Not Displayed on Monitor
- 1
  
  Check the main power cord. If it is not securely plugged into an AC outlet, plug it in. (See Source 1)
- 2
  
  Check the cables. If any of the cables is loose or disconnected, securely reconnect it. (See Source 1)
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- 3
  
  Check the IRIS mode select switch. If you are using a DC driven auto iris lens, it should be set to "DC" mode. If using a video driven auto iris lens, it should be set to "VI" mode. (See Source 1)
Blurry Image
- 4
  
  Check the camera's lens for dirt or other contaminants. Use a soft cloth to clean both sides of the lens. (See Source 1)
- 5
  
  Adjust the focus on the lens until the picture on the monitor comes in clearly. (See Source 1)
- 6
  
  Set the iris select switch to "ES" mode if you are using a manual iris lens. (See Source 1)
Flickering Images
- 7
  
  Adjust the direction if the camera is facing fluorescent lighting or an area with too much sunlight, as these can cause interference with images. (See Source 1)
- 8
  
  Check the iris mode select switch. If you are using a DC driven auto iris lens, it should be set to "DC" mode. If using a video driven auto iris lens, it should be set to "VI" mode. (See Source 1)
- 9
  
  Set the iris select switch to "ES" mode if you are using a manual iris lens. (See Source 1)

Tips & Warnings

Problems with the color of the images on your monitor may be signs of a problem with your monitor and not the camera itself. (See Source 1)

sourcesecurity.com:CCTV Camera Manual

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Photo Credit cctv image by Andrius Grigaliunas from Fotolia.com

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