#Tutorial  #hikvision | #kiax_security


  • Why I see white spots in the cctv picture?
    • Check If there is pollution in sensor, please ask us for help.

    • Check If it is an IR camera, it could be whether the lens is close to shield, whether there is specular reflection near the lens.

    • There are bad dots in the camera. Analog camera could detect this using bad dots detection function.

  • Why is there existing interference?
    • Could be some strong interference sources nearby such as Fans.

    • unstable voltage

    • loop grounded can be used

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