How to use the x ray hand switch?

When using the x ray hand switch, pay attention to the speed of the x ray hand switch pressing should not be too slow. Two brakes are pressed twice. After the first brake is pressed, the second brake is pressed again. The pressing time of the two gears is controlled in about 2 seconds, which is the correct operation method.
However, some operators are accustomed to press the first gear, not connected to press the second gear, the bulb filament will wait in the burning state, the filament is seriously damaged, the life of the bulb is shortened.
If the x ray hand switch is stuck, the pressure resistance is large, or the button pops out smoothly after pressing. It will also cause filament loss and shorten tube life. Therefore, to develop a regular check of x ray hand switch, the use of correct methods, once the above adverse situation, need to replace the x ray hand switch.