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10.Self-diagnosis and maintenance/repair
10.1. REF / KER Accuracy check
Remove chin rest page, and fit in the pressing pin after aligning the hole at the Model Eye’s lower part
with chin rest’s hole.
Perform the measurement and compare with the display value at the bottom of the model eye. (STEP
0.01)
Perform the accuracy check at regular intervals. (Daily checkup)
! CAUTION
If the measurement result is widely different from the value shown on the model eye, call
your dealer.
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