Traditional Culture Encyclopedia - Traditional stories - Xiao Bai, how to change the jumper of the three-key dual-control switch into single control?

Xiao Bai, how to change the jumper of the three-key dual-control switch into single control?

If the original lamp was controlled by a double control switch, now I want to use a switch to control it. Just remove one of the two "interconnection lines" between the two switches, and then connect the remaining "interconnection lines" in the A double-control switch with the middle terminal, so that the other B double-control switch can emit light in a single hole.