1. Make sure the "Show Setup" checkbox is checked.
  2. Scroll to bottom of the page to show the printer control buttons.
  3. Click the "Home" button.
  4. Select the Z position text box (immediately below Z (mm)).
  5. Enter 0 in the Z position box (or leave it empty) and click Enter on the keyboard. The end effector should move down to approximately 10mm from the build platform.
  6. Place a piece of plain, white paper on the build platform under the hot end.
  7. In the Motor Settings area, select the text box in the maroon row under Switch pos (mm) and increase the values until the paper is slightly pinched between the hot end and the build platform while the Z position is 0 - the paper should be mobile when pulled and pushed, but resistance should be felt.
  8. Move to Z = 50mm (select Z pos text box, enter 50, press Enter).
  9. Select the Y position text box (immediately below Y (mm)) and enter a value of 100. Press Enter on the keyboard. The end effector should move near the vertex with the extruder drive mounted to it.
  10. Move to Z = 0mm.
  11. Select the text box for the w motor switch position and change its value using the up and down arrow keys (with Shift as required) until the resistance on moving the paper is about the same as it was in the middle of the build platform.
  12. Move to Z = 50mm (select the Z pos text box, enter 50 and press Enter). The end effector will move 50mm off the build platform.
  13. Select the Angle text box under the Delta section (it's a lone row in the middle of the position settings; not the setting at the bottom next to the target position.). Enter 240 and press Enter. The end effector should move to the U vertex (counterclockwise from extruder drive vertex when looking down). It does not move in a straight line (this is why the effector needed to be lifted before doing this).
  14. Move to Z = 0mm and adjust the u motor switch position until resistance is felt similar to that felt previously upon moving the paper.
  15. Move to Z = 50mm.
  16. Set the angle to 120 degrees (Delta section, Angle position = 120 followed by Enter).
  17. Move to Z = 0mm and adjust the v motor switch position until resistance is felt similar to that felt previously upon moving the paper.
  18. Home the printer.
  19. Set the angle to 0. (The end effector will not move.)
  20. Move to Z = 0mm and readjust all of the switch positions (in the Motor Settings area, select the text box in the maroon row, Switch Pos (mm) column) until the resistance upon moving the paper is the same as felt before. Take care only to use arrow keys or values starting with a + sign: the differences between the values must not change.
  21. Move to Y = 100mm.
  22. In the Delta area, adjust the radius of all motors at once (with the box in the maroon bar) until the resistance upon moving the paper is the same as felt before. (Decreasing the radius makes it more tight, increasing the radius makes it less tight.)
  23. Save the profile by clicking the Profile Save (as) button.
  24. Save a backup of the profile to your computer by right-clicking on the "Export settings to file" link and selecting "Save link as...". Navigate to a logical location on your computer and save the file using a logical name. Should something happen that results in the loss of your profile, use this file to restore it. The backup can be reloaded by clicking the "Choose File" button just above "Export settings to file" followed by clicking the "Import" button. The backup can also be used as a starting point for calibration of a second Athena. Uncheck the "Show setup" check box to display the simplified print screen.
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