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One problem with Auto-Tolerance is that if the forming process becomes inconsistent very
gradually, IMPAX may ‘track it’ and not catch the problem. You should set the tolerances
manually after the job is running well; the Auto-Tolerance numbers may be used as a guide.
Remember that the worst mistake is setting too loose a tolerance (high numbers) or no tolerance
at all (zero). IMPAX will count parts, but it will not catch important process changes.
The Supervisor’s Key is needed to set or change the tolerance settings. This helps to prevent
tampering by those who are not authorized to set tolerances.