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Hi Andrew
I have never noticed the readings in the Alt/az being in error but I could imagine this being the case if you send the alt/azm request from an external controller when the mount is actually polar aligned. I expect it is just returning the actual encoder readings not converted for the mount attitude. The controller programs I wrote don't send these commands as I get the Alt/azm by the standard conversion calculations from the RA/Dec that is being done in the controller.
I have a 497 controller and I think I have a working DC mount somewhere. I will try to make a test rig to check on all the controls
I don't have any way to test the Autostar II any more but I still have a working LX200 classic test rig and this needs to go through an alignment procedure before you can get remote access. This defies something I was able to do with my LX200 18 years ago when I trashed the hand box serial connection buffers so that the hand box would not work. I was still able to do an alignment from a remote PC with a program I wrote. I have since tried to duplicate the conditions without success.
Barry
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