This wiring can also be found with a Mini-Switch and a Push/Pull in my collection: http://161589.homepagemodules.de/t29...-E-Baesse.html
(2.2.02 - page 232 at the moment)
Line6man shows it with different switches.
Why I write / add someting ...
The wiring won't work in one position of the 3-way switch!
You can see it in the schematics and the table.
Hals means neck, Steg means bridge, "kein Signal" means "no signal" ...