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The Hoya digital calculator uses a custom label to indicate that a design should be decentered - _OptimizeDecenterFlag.
When the option “Center Design on Frame” is set on a Hoya design hat supports optimized decentration, as follows:
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the this will trigger “_OptimizeDecenterFlag=1” to be sent to the Hoya calculator in the LDS file, and Hoya will calculate decentration of the design on the blank, if required. If the above checkbox is not checked, then _OptimizeDecenterFlag=0 will be sent, and no decentration of the design on the blank will be done.
Of course, _OptimizeDecenterFlag must be set up in the LDI file for Hoya in order for this option to be sent.
Labs should ensure that their Hoya calculator is correctly configured to accept this parameter from Rx-Universe.