Is the "Meridian Behavior" tab in iOptron drivers new? I had the same issue appear (drove me nuts for a few nights before I noticed that tab). I recently installed 3.6.9 from scratch on an Ubuntu mini-pc, so it is possible that I had correctly set those values in my CEM25p driver nearly two years ago when I first installed astroberry on the pi, and the correct settings persisted when I switched to a CEM40 in December. But I have absolutely zero memory of ever visiting a meridian tab in the driver before.

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