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  1. Dahua Overseas Call Center
  2. HDCVI
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  • How to change CVBS to CVI for PTZ
  • How to adjust the audio function of hdcvi camera?
  • The standard hdcvi bullet camera installed in the protective cover shows clear images during the day, but fuzzy images at night, and clear images the next day.
  • Water mist on hdcvi M bullet cameras.
  • HDCVI camera cannot control menu through XVR when the image after power-on is normal.
  • In the lower right corner of the hdcvi camera, the battery identification flashes.
  • The hdcvi camera ICR keeps switching at night.
  • The hdcvi camera has dark images at night.
  • After adjusting the noise reduction parameters of the HDCVI camera, how to remove the smear on the image?
  • HDCVI camera has image noises at night
  • HDCVI camera has smear in its dynamic image.
  • The HAC camera installed in the elevator has stripes.
  • HAC camera has rolling interference stripes during the day or at night.
  • The color in HAC camera picture is abnormal, and not consistent with the actual color.
  • Fixed-focus HAC camera that the focus of the image corners might vary from that of the image center. The center is clear, while the edges are not that clear.
  • When the motorized vari-focal device is unpacked, its power-on output picture is blurred.
  • The HAC camera output picture is poor in definition and blurred.
  • The HAC camera picture is upside down.
  • After HAC camera is powered on, black and white images appear during the day.
  • After HAC camera is powered on, the image appears for a while and then disappears.
  • No image output after the camera is powered on.
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