John,
Thank you. I am glad that my activity has possibly identified potential bugs in the process. I am afraid that my understanding of the settings for filter offsets is still incomplete. I have watched your video several times, but never while I was actually setting up the filter offsets at the computer. So I have always been assuming I understood the settings.

I will try setting the filter settings again, but right now we are in the middle of 'pollen' outbreak from the pine trees and my scope will turn yellow in a few minutes outside.

My confusion is based on this: I have locked my filters (GRB) to LUM, but I don't want to run a LUM Autofocus when I switch filters. If I call for a Red filter, why would I want to run an AF run on Lum and then apply a pre-determined offset rather than just running an AF on the Red filter? The only reason I can assume is that you might not be able actually do an AF using the Red filter, because the object is to dim. That seems unlikely when setting the system up.

I have pre-established the offsets for my filters (RGB). I run an AF on LUM at the beginning of the evening. Then during the night when I call for a filter, I expect it to move to the most recent LUM AF position plus the offset for that filter. I recall that I did not check any of the AF boxes for any of the filters. I have offsets input, I put LUM in the Lock column for each filter (RGB) so that its offset would be applied to the current LUM setting. (which does seem to be updated when I performed the recent LUM AF). I do not want the offsets to represent the setting from one filter from another (so RED is -90 from LUM and G is +20 from LUM, not from RED).

My question is how do I set up the filter settings so it behaves that way? If I leave all boxes unfilled (no AF boxes checked, no LOCK filter boxes filled in) then does it behave the way I expect? Or do I need to alter my approach?

thanks,
Ron

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