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Step 10. When finished with adjusting the
setscrews of Mirror 1, repeat steps 3–9
until the burnt hole falls perfectly at
the center of the tape.
Step 11. When Mirror 1 is all set, use the
direction arrows on the control panel
to send Mirror 2 to the front of the bed
along the Y axis.
Step 12. Attach another piece of tape to the
frame of Mirror 2.
Step 13. Repeat steps 2–9 until the burnt hole
on Mirror 2 is at the center of the tape.