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With each reply, I understand more that I didn't understand before. Thanks for your patience, people.
I've checked some information:-
Autostar reports Ver 43gg
Telescope model is set to "LXD55/75 10 New"
Mount is set to "Polar" - only one choice for that telescope model, I think.
Edit Az train:- +1224
Edit Alt train:- +569
Alt/Dec ratio:- +03.28533
Az/RA ratio:- -03.28533
The afternoon "training" of the mount/drives was on a distant tree branch. I had the RA axis turned until the counterweight bar was almost horizontal.
When I redid the training after dark when I had the ginormous "rubber banding", I went for a distant terrestrial light (again with the counterweight bar close to horizontal).
As I said, the variation in RA drive train numbers, on repeated training, suggests to me that there is something wrong in the RA mechanics. I will do more testing during the day, but with the RA set in various positions from counterweight bar horizontal one way, through "vertical" to the opposite horizontal position. But I'll do a close inspection first and then carefully observe through the eyepiece to see if I can see the large gear slop it is reporting. I haven't seen it before. Of course, this is an old EQ5 - I'm not expecting stellar performance. But if I can get it to goto targets and get them in the FOV of a widefield eyepiece, I'll be happy.
Eric
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