# No. Of Operators and No. Of Trials (GRR)

For Fixtures reading mode once the No. Of Operators and No. Of Trials are specified at the first instance of mapping of a Part to any Parameter in the Fixture Reading Mode, the same value is applicable to all the other parameters being mapped to the same Part with Fixtures Reading Mode on the same local machine. You cannot specify different values of No. Of Operators and No. Of Trials later for the above mentioned.