If no R1 values has been loaded, but the R1_fit flag has been turned on, the R1 will be fitted as well.
For data without a loaded offset, (see also [[Relax_disp.spin_lock_offset%2Bfield | relaxx relax disp.spin lock offset+field]] ), if <br>
<math>
\bar{\Omega}_{S,i} = 0.0