买一台监控摄像机要花很多钱，如果有一小部分出现故障，更换所有的摄像机也会有些浪费。今天，济南安全公司http://www.lianzhongtewei.com/教会了我们一些解决监控摄像头容易出现的问题的方法。

     Buying a camera is not a small sum of money. If it is a small piece of broken, all the surveillance cameras will be a little too wasteful. Today Jinan Security Company taught us a few ways to solve the problem that cameras are prone to doubt.

     首先，监控摄像头的白屏幕有哪些因素？什么因素是监视摄像头不能看到图片上的白色屏幕？

     First of all, what is the factor of the white screen surveillance camera, the monitoring camera appears the white screen, can not see the picture, what is the factor?

     您可以查找以下因素：

     Can you identify the following factors:

     1.视频线材质量不佳(一般选用75×5全铜线)；

     1. The quality of video line is not good (75 × 5 all-copper wire should be selected generally);

     2.视频线路太长，不能衰减视频信号。

     2. The video line is too long to form video signal attenuation;

     3.摄像机质量不佳，没有视频扩展电路(可能性小)；

     The quality of the camera is not good and there is no video expansion circuit (unlikely);

     4.视频信号微弱。

     4. The video signal is weak.

     可行的解决办法：

     Viable solutions:

     1.直接检查相机是否损坏(使用工程金库测试或更换以确定是否损坏)；

     1. Check the camera for damage (use engineering treasure test or replacement to check replacement);

     2.联合检查和线路检查(用万用表或工程财宝开采带)；

     (II) joints and line of sight (multimeter or mining engineering package method);

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