The following interactions are currently supported by the Plk pane in the PINTkinter GUI:

Left click:     Select a point

Right click:    Delete a point

r:              Reset the pane - undo all deletions, selections, etc.

k:              (K)orrect the pane - rescale the axes

f:              Perform a fit on the selected points

d:              Delete the highlighted points

u:              Undo the most recent selection

c:              Clear highlighter from map

j:              Jump the selected points, or unjump them if already jumped

v:              Jump all TOA groups except those selected

i:              Print the prefit model as of this moment

o:              Print the postfit model as of this moment (if it exists)

p:              Print info about highlighted points (or all, if none are selected)

m:              Print the range of MJDs with the highest density of TOAs

+:              Increase pulse number for selected points

-:              Decrease pulse number for selected points

>:              Increase pulse number for all points to the right of selection

<:              Decrease pulse number for all points to the right of selection

h:              Print help