Data taken UT20080422 allow the following changes to be made to /jac_sw/itsroot/src/wrappers/rxw/initialise/instrument_rxwd.ent:

   uaz (X)    0.0   ---->  -10.0     "
   uel (Y)    0.0   ---->  -15.5     "
   dX         0.0  ---->    0.0    mm
   dY         0.0  ---->    0.0    mm
   dZ         0.0  ---->    0.0    mm