Traditional Culture Encyclopedia - Hotel reservation - The monitor screen is purple. Why?
The monitor screen is purple. Why?
A single camera changes color, sometimes not necessarily purple, but purple or blue-purple is the most common. In most cases, the imaging device of the camera has light problems.
But you don't have to change the camera. Changing the camera is the last resort. First, try to plug the photosensitive resistor of the camera with your finger to see if the picture shows black and white normally after the camera turns on the infrared light. If the black and white display is normal, it may be that the camera is affected by external light and the color is off. At this time, we can change the installation position of the camera to avoid color cast caused by light.
Troubleshooting methods of monitoring camera image discoloration;
1, the troubleshooting monitoring system displays
Many times, when we monitor the display equipment of the system, we use computer LCD instead. At this time, we must first rule out whether the display is faulty. The method of investigation is also very simple. Observe whether all surveillance cameras change color or individual cameras change color. If all the cameras change color, it is suspected that the LCD monitor is aging, so you can consider replacing the monitor. If a single camera changes color, it may be a camera.
2. If infrared light is enabled, the camera color is still abnormal. We can try to reduce the contrast of the camera in the monitoring software to see if the picture will return to normal. If it returns to normal, keep the current contrast.
3. If the picture is still abnormal after adjusting the camera contrast, we will consider replacing the camera at this time. It is possible that the imaging module of the camera is damaged due to the influence of magnetic field or impact, and a new monitoring camera needs to be replaced.
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