Thank you for the kind offer, Herr Hamm. I, too, have the <.pdf> file of the same Asiatam Manual, "Servo Multi - Function Control Unit," and since I found it to be way too large to upload, I extracted from the manual the photos you see just above.
On Tuesday (June 28) I plan to lay out the electronics for testing. At that point, I may understand better how they work. Then, too, Jofaur86 kindly sent by PM some links to other online builds of the
Famo, so I will study these before Tuesday. As you may know from my 1/4 ton 4X4 build, I am slow (my sweetheart finds me maddeningly patient

), and I usually have multiple projects going on simultaneously.
An aside, off topic (though a frequently recurring topic here on RCTW): Beer/Bier. No doubt you have long been aware of Hamm's Beer, still extant, once more widely sold here in the US. Now here comes a comment that will likely set off a debate requiring a moderator to intervene (or at least join in the fray). Compared to German Biere and contemporary US beers from micro-breweries, Hamms, Schlitz, Pabst, Coors, etc., even the now-revived Seipp's, are 