1, network problem.

2. System problems.

3. Machine failure.

Camera is a device that converts the light image of the scene into electrical signals, and it is the most advanced equipment for making TV programs. Since the first camera tube 193 1 came out, the technology and application of camera have developed rapidly.

Camera, also known as computer camera, computer eye and electronic eye, is a kind of video input equipment, which is widely used in video conferencing, telemedicine, real-time monitoring and other fields.