BYOC Li'l Analog Chorus Kit, Building Instructions, Page: 17 / 26

Step 4: Remove both nuts from the footswitch and mount the footswitch.
Orient the footswitch so that the flat sides of the solder lugs are like the
diagram below.
NOTE: There are no actual number markings on the footswitch. There are
two correct ways you can orient the footswitch. They are both 180 degrees
of each other. Either way is fine. It does not matter as long as the flat sides
of the solder lugs are running horizontal, not vertical.