Question: What should be paid attention to when monitoring equipment maintenance?
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Answer: The maintenance of monitoring equipment should pay attention to the following points:
1. Always check the power supply socket of each camera to prevent the plug from falling off.
2. Ensure that the power supply voltage to each camera and monitoring center is relatively constant.
3. As far as possible, set a clear sign for the camera in the low position to remind non-monitoring administrators to touch.
4. Assign special personnel to the monitoring and control equipment of the monitoring center to require non-monitoring personnel to prohibit operation.
5. The monitoring center must power off the monitoring equipment when there is no one every night.
6. Frequently test and maintain the monitoring equipment.
Question: The newly installed gimbal does not work well or does not rotate at all soon after use. Why?
Answer: In addition to the factors of cloud quality, this situation is generally caused by the following three reasons:
1. Only the pan / tilt head where the camera is installed is allowed to be mounted in use. In this case, the hoisting method causes the gimbal's operating load to increase, so it will soon cause damage to the gimbal's rotating mechanism and even burn the motor.
2. The total weight of the camera and its protective cover exceeds the load bearing of the gimbal. Especially for the gimbal used outdoors, the weight of the protective cover is often too large, and the problem that the gimbal cannot rotate (especially in the vertical direction) often occurs.
3. The outdoor gimbal is malfunctioning or even damaged due to the high ambient temperature, low temperature, poor waterproof and anti-freezing measures.
Question: The matching of the automatic iris lens and the camera often causes some problems, somehow?
Answer: There are two driving methods for the servo motor of the automatic iris lens, one is DC driving, the other is VIDEO driving, and their driving signals come from the camera, so the automatic iris output signal of the camera also has DC and VIDEO, only The lens can work normally only when the output signal of the camera is consistent with the way the lens receives the signal.
Question: The monitor image is not clear, the details are lost, and in severe cases, the color signal or the color saturation is too low. What is going on?
Answer: This is caused by the excessive loss of the high-frequency end of the image signal, and the loss of signals at frequencies above 3MHZ is basically caused. In this case, the transmission distance is too far, and there is no amplification compensation device in the middle; or the distributed capacitance of the video transmission cable is too large; or the concentrated equivalent capacitance is distributed between the core of the transmission line and the shielded line in the transmission link Caused. 
