Sparky commands
From NMR Wiki
Axes
st - "spectrum tool" - allows referencing scale among other things
xx - transpose x and y axes
xr - rotate axes - changes the plane shown in 2D view for >2D spectra.
xp - set ppm units for axis scale
xh - set hertz units for axis scale
xa - show/hide nucleus type on axes
Resonances and assignments
at - assign peak. select a peak then input its assignment.
ra - related assignments. select a peak, type the command. → get list of peaks that use resonances of the selected peak.
rl - resonance list. opens view with the list of assigned resonances - a.k.a. assignment table
aD - delete assignment of selected peak.
Peaks
Peaks are picked by mouse in "peak picking mode". F8 key.
pc - center peak - move peak box to the center of nearest peak.
vc - related command - view center. Centers current view on selected peak.