Al Kossow wrote: Thanks, that's far more info and detail than I've seen anywhere else to date. Looks like it may be most of what one needs for a machine definition, but have to study it more to see if one can derive 'everything' from it. Then the question becomes, with the machine being so abstruse, can one come up with anything much more concise than the manual itself. .. onto the list, too many fun things to do ..