Keith,

I have two iOptron mounts. One is the CEM120 EC2 and I don't use the hand controller at all (it's in a box somewhere) and I have not had problems in a while with getting the mount to properly respond when telling it to go to the Park position. I have set my Park position and Home position to the same position and that is what iOptron calls the Zero position.

I also have a CEM26-EC. For this mount I have to use the leave the hand controller connected since that's the only place I can connect the USB cable that allows EKOS/Indi to control the mount. In this case I've found that I need to set the Park position via the hand controller. I have tried setting the Park position solely from the Indi Control Panel but that hasn't worked for me. In the Indi Control Panel for the mount I've tried the usual things (Set Park as the Current Position for example). Then when I slew the mount away from Park and tell it to go back to Park it goes somewhere entirely different. If I set Park via the hand controller and then use Ekos/Indi to go to the Park position, it seems to work as expected.

I'm just guessing but when you've got two brains trying to control things (the hand controller and Ekos/Indi) there is more chance for conflicts. I hope iOptron will eventually migrate away from the requirement to have a hand controller connected (for some of their mounts) for those who would rather not use one.

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