The setup of the HKL Ebsd system can be different from a "Standard" setup in which case the "CS0" will be changed to "CS1" and that means something different for reference frame corrections.
This PDF has some information:
https://utw10193.utweb.utexas.edu/InstrumentManuals/Oxford%20EDS%20AZtec%20User%20Manual.pdf on page 415.
The setup of the HKL Ebsd system can be different from a "Standard" setup in which case the "CS0" will be changed to "CS1" and that means something different for reference frame corrections.
This PDF has some information:
https://utw10193.utweb.utexas.edu/InstrumentManuals/Oxford%20EDS%20AZtec%20User%20Manual.pdf on page 415.