Which of the following is incorrect in the use and maintenance of cameras?

When the camera is not used for a long time in use and maintenance, it is incorrect to put the battery into the machine memory. The camera is not used for a long time in use and maintenance, and the battery does not need to be put into the machine memory, which will affect the service life of the camera. Cameras are very sophisticated and expensive equipment, so we should always pay attention to their safety when using them. When you go out to shoot, you should have a sound and safe packaging box. If it is transported by long-distance bus, pay attention to putting the camera equipment in the front of the car to minimize the vibration of the machine.