FIX

Can only be used in combination: fix cell, fix orientation, fix beam, fix distance, or fix all.

FIX CELL

Removes the cell parameters from the list of parameters to be refined.

FIX ORIENTATION

Removes the crystal orientation parameters , , and from the list of parameters to be refined.

FIX BEAM

Removes the origin shift parameters from the list of parameters to be refined.

FIX DISTANCE

Removes the crystal to detector distance from the list of parameters to be refined.

FIX ALL

Removes all parameters from the list of parameters to be refined.