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The switches are spring-loaded, notched in place, and have a rubber knob on the top. A pilot must squeeze the knob, remove the switch from its ON notch, press the switch, click it into the OFF notch, then release the knob.

Doing it accidentally is impossible.



Here's also a video showing operation of the switches: https://www.youtube.com/watch?v=33hG9-BCJVQ




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