When you finish doing calibration, don't forget to do an off . Every effort will be made to keep this list current. The driving time number is of some interest, since you may end up going back and forth between slit mode and imaging mode a lot. The above list is in order along the linear slit assembly. It is recommended that the slit be homed to the open position at the beginning of the night.
Positive steps move toward larger slit number.
Note that when you home it, you lose whatever tweaks you've made. When you invoke this command, you'll be asked to confirm. Where n is the slit position that you're really on. The drive goes and looks for a microswitch limit just beyond the open position. When it gets there, it moves back to the open position and rezeroes the slit drive position counter.