Dahua photography toujie haikang mainframe

There is color deviation in the analog camera. You can check the problem from the following aspects: first, look carefully, all the pictures are biased, not all the video pictures. If all the pictures are biased, then exchange BNC heads and see if there is any bias in other places, and basically you can conclude that the camera is biased. If everything is biased. Second, find a normal monitor to replace the monitor with color difference and see which monitor is the problem. If it's the same, it's not the monitor. Third, connect the deviated camera directly to the monitor to see if it is a video recorder or a video camera. If there is something wrong with the DVR, please go back to the factory for repair. If there is something wrong with the camera, please replace it.