I have done some more investigation: According to the Interface documenation (pegasusastro.com/wp-content/uploads/2015...al-Command-Table.pdf) the G commands should be used for relative movements. The indi driver seem to have implemented the M command for absolute as well as for the relative movements. (github.com/indilib/indi/blob/master/drivers/focuser/dmfc.cpp) I could imagine, that the dmfc might reject M commands when Motortype is DC Unfortunately I don't know how to correct this in the driver and bring it to Stellarmate Read More...