CCTV CAMERA TV SCREEN ERRORS?
I recently purchased a simple wired cctv surveillance camera. Installing it was no problem. I needed 30 meters of wire from my front door to my tv set. In between i had to add some wire so i therefore soldered some lengths. The camera works well. Even the sound.
BUT i am constantly getting these two fuzzy lines on the screen which keep on going up and down the screen. They are very annoying. Is it maybe due to the fact that the wire is 30 meters long? The camera does actually work well because when i directly connected it to my tv it was 100% clear!. Or maybe is it the type of wire i used for it? (i used phone wire as it has 4 wires. I used 2 for video and 2 for audio).
I am really frustrated. Can anyone try and help and guide me please?
Regardless of which cable type you are using, you are experiencing a phenomenon called ‘Hum’ or ‘Picture Rolling . Read this for a great explanation http://svconline.com/mag/avinstall_losing_hum_bar/
For CCTV, this resolved by using a Hum Bar or Ground Loop Isolator as they are sometimes called. See the example below which will surely do the trick. Then type the word in a search engine to find your local supplier. http://www.cctvcamerapros.com/CCTV-Video-Ground-Loop-Isolator-p/sp-g01.htm
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