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Question:

What's the reason for the closed-circuit surveillance image?

What's the reason for the closed-circuit surveillance image?

Answer:

The reason for the poor contact of video lines or the equipment itself,The problem of external surveillance probes or environmental factors
This situation is expected to occur when the line is subjected to high voltage interference, or when the interface is not in good contact
Flowers. No screenshots, we can only general judgment, three kinds of Zhang situation, 1, that is interference 2, video leader problem 3, is the power problem. The most important is the three, and some monitoring for a long time, the power supply aging, the current is not enough, the screen sometimes dark.

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