P r i m a L u c e L a b i S r l
E SAT TO u s e r m a n u a l
Thanks to the use of internal sensors, every ESATTO micro focuser is already calibrated and you don’t need to start a new
calibration in order to set the minimum and maximum position of the focuser draw tube. But, if you need for any reason,
please follow this procedure.
Press the Calibration button, a new window will appear
asking you confirmation, press Yes button to proceed.
You will see the ESATTO micro focuser draw tube moving
searching for the minimum and the maximum position.
Please wait (usually 2-3 minutes) and the new calibration
will be automatically saved by the FOCUSER Manager
software.
Calibration data is automatically stored in the ESATTO’s memory so you should not need to repeat this step, even when
changing between computers.
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NOTE: if during the focuser movement you see a very small shift of the image, this is normal and it’s caused by the spe-
cial modified Crayford design to let the ESATTO have a higher load capacity than standard Crayford focusers.
What happens if I see the focuser moving but it stops abruptly?
This typically means that the ESATTO does not have enough power caused by being only connected via USB power, to a
personal computer with USB ports that deliver less than 0.5A. In this case you must also connect the power port on the
ESATTO to a 12V power source and restart the FOCUSER Manager software.
