How Many DVR Security System Camera You Need.

• Consider your home security needs and what you will be using the DVR security system camera or cameras for.
  
• If you want a dvr security system to watch your baby while he or she is napping, your needs are different from someone who wants to to secure a home office, for example.
• Research different types of DVR security system camera.
  
• Consider their size, viewing range, cost and whether they're easily mounted.
  
• Remember that wide-angled cameras can see more at a time than DVR security system camera with a narrow focus, so you may need fewer of them if you're trying to monitor a wide area.
• Consider how many areas you wish to record in. If you want to DVR security system camera your child, you may want a camera in the living room as well as in his or her bedroom.
  
• If you want to protect your valuables, you may want to have one camera trained on each door, one focused on your TV and stereo equipment and another in the location where your jewelry is stored.
• Take the above steps into consideration to decide how many dvr security system cameras you need.

How to Adjust the Color of dvr security system.

• Adjust the level of the synch pulse amplitude on the dvr security system color camera to 40 Institute of Radio Engineers (IRE) units.
  
• View the image of the dvr security system color camera to see if the picture is breaking up or rolling.
  
• If the picture is breaking up or rolling, readjust the synch pulse amplitude to a higher number and view the picture again.
  
• Stop adjusting the synch pulse amplitude when the picture on the security system camera monitor is no longer breaking up or rolling.
• Set the white-level iris setting to 100 IRE units exactly on the security cameras color camera.
• Measure the peak-to-peak video signal of the dvr security system color camera using the 10 megahertz oscilloscope.
  
• Replace the dvr security system color camera with a new one if the measurement is not on or about 140 IRE units.
• Install a video equalizer in the video signal cable between the dvr security system color camera and the monitor.
• Adjust the color burst control of the video equalizer to 40 IRE units to place the chroma level at its correct setting.

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