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I've recently upgraded to a win7 64bit laptop and have started to have some issues with the stepper controller. If I try to move up to 100 steps there are no problems. If try to move 1000 steps or more I get an error "Cannot access a disposed object" and the focuser disconnects. (I've been using sequence generator pro to control everything). I haven't tried this with the Sharpsky client yet so I'm not sure if the error is with the driver or with SGP however this has only started being an issue since I changed to win7. On some occasions when the focuser disconnects it leaves the stepper motor running and I have to remove the USB connection to stop it.
It is not a massive deal as normal focusing only requires a move of 20 steps at a time however if I want to rack the focuser back in it can be tedious to move 4000 steps in 100 step increments.
Any thoughts?
Peter
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