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ashtech

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  1. ashtech

    Help with image quality

    i focused it to the best as possible already. is just that when i zoom all the way out and focus the lens, it shows a bit grainy/fuzzy on the monitor
  2. Why is it when i zoom and focus the camera closer to a image it shows really clean, and if i zoom all the way out, it shows grainy? Im using the ecl 640 camera and the eclipse active video baluns, Does the LCD monitor have anything to do with this? Please help
  3. ashtech

    video rolls over cat5

    OK, i tried using just one pair, I am gettin a picture now, but jus a few video rolls, a lot better than before, but for some reason, it scrambles now and again and comes back up? Could this be a power line somewhere in the ceiling causing this? i have not tried the crossing method as yet. time does not permit it.
  4. ashtech

    video rolls over cat5

    ok so this means that if i have to cross a power line, i cross it so that the power line and my video cable make a 90 degree? Im guessing it would be like a "+" my cable being horizontal and the power line vertical? am i on the right track?
  5. ashtech

    video rolls over cat5

    Thanks soundy, i will try this 2mr
  6. oh, i realized that after i posted it, im new here, thanks soundy. will try
  7. ashtech

    video rolls over cat5

    Yea, the polarity is correct, i even tried reversing it. I used the pair of blue/blue white for the positive and the green/green white for the negative. Im not sure if it close to the florescent lights in the ceiling. and if it runs close to any power lines, what do i do? I dont quite understand the 90 degree bends.
  8. cameras are being power by a 24vac transformer, the square white ones. I used a pair for the positive video and a pair for the negative. i used 4 core for the power which comes from a closer power outlet to the camera
  9. hey guys, I need some help. Im using the Eclipse ECL640 camera about 400 ft from the DVR. Im using aerial cat5 cable and a 24vac power supply which is separate from the video lines. i believe there are some 240vac lines in the ceiling where the video cables pass. I am using the eclipse ecl-btb passive video baluns and i get a lot of video rolls and even scrambled picture. Is this a ground loop? or some other problem? Ive also tried active receivers as well, i get a scrambled picture when i do that Please help.
  10. I have 2 cameras, the eclipse ecl640 connected via aerial cat5 and using eclipse passive video baluns, for some reason, im getting video rolls on the dvr and even a cctv monitor. sometimes the video will cut off and come back. what can be the cause. Please help. Oh, i have used these cameras before and travelled longer distances than this one
  11. Has anyone ever used telephone drop wire to connect cameras before? I need to send some wires on pole, so i need something to handle that
  12. what u guys think abt Alnet? or is Geovision Better? What abt the American Dynamics DVMS systems? Please Shed some light
  13. I need help deciding on what type of cable to use. i have a lot of long run to do. then i have some shorrt runs? another thing is, how far cn i transmit power over these cables?
  14. I trying to run a camera over 1.6km. someone please shed some light on this please
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