Energy Calibration Documentation

[nsherry4]

The manual could be more detailed when discussing the process of energy calibration and ways to work around not having a precise measurement stored in the dataset.

[cbriles76]

The latest user manual I could find for this is 5.5, which still has the old context menu for energy calibration, yet there is now a field for "noise (eV)". Could you update the manual with a description of this parameter? My epsilon XRF generates 3 different noise parameters for each scan, but I don't think any of them are in eV units; I believe it is a coefficient of some sort as they are less than 1 (e.g. NoiseReference, NoiseInit, NoiseFit). Thanks for all your work!