Analysis of the reasons why the exposure handbrake switch of high-power X-ray machine is set to 2 gears

Analysis of the reasons why the exposure hand switch of high-power X-ray machine is set to 2 gears:
First of all, let me explain to you the X-ray exposure handbrake. Two pairs of normally open switches with different stroke control circuits are installed in the double-speed X-ray exposure hand brake. The contacts of the normally open switches control the two circuits respectively. Turn on to make the X-ray machine in the pre-exposure state. This state can be canceled. Release the first button cap to cancel and start the cancellation process. No X-rays are generated. The contact of the normally open switch controlled by the second gear button position controls the high voltage generating circuit of the X-ray machine to close to generate X-rays. After releasing, all the above circuits are cut off and the machine returns to the unexposed state.
To put it simply, the reason why the high-power X-ray machine exposure handbrake switch is set to 2 gears: the first gear is preparation work, the doctor and the patient are ready to enter the state of preparation, and the second gear exposure is over.
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