GRAPHTEC CUTTING PRO FC3100-60 Service Manual page 109

(5) While observing exploded view 1, determine the current gain of the X and Y motors, using VR10 (X-
GAIN) or VR20 (Y-GAIN) to perform adjustment if necessary.
While observing exploded view 2, use VR1 (X-OFFSET) or VR2 (Y-OFFSET) to correct any
deviation of the motor wave-form's origin from the ideal line's origin.
(6) Repeat adjustment until the maximum error is 10 or less.
(7) When the maximum error becomes 10 or less, repeat the adjustment two to three times to ensure that
the motor wave-forms have not changed.
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FC3100-60 Service Manual
P/N53802-031T Rev. A