cam jumper

例句：

1. 1. The camera jumper is the device that allows you to quickly switch between two different settings on your camera.
   相机跳闸器是允许您快速在您的相机上切换到两个不同设置的设备。
2. 2.When the camera jumper is triggered, it sends a signal to the camera's circuit board, causing the camera to shut down.
   当相机跳闸器被触发时，它会向相机的电路板发送一个信号，使相机关闭。
3. 3. The camera jumper is an important safety feature in many cameras, as it prevents the camera from being left unattendedand potentially damaging the equipment.
   相机跳闸器是许多相机中的一个重要安全特性，因为它防止了相机被无人看管并可能损坏设备的风险。