It is possible to plot soil parameter data measured by other means like laboratory tests, over the estimations plots from CPTu. Click on the 
icon located at the far right of the top toolbar and the following dialog will appear:
Custom estimations input dialog
Using the above displayed table enter depth and soil parameter values. When finished check the Display Data in Plots checkbox and click the OK button. Custom estimations data will now be plotted over the CPTu estimations plot in red dotted line.
Custom estimations data
Estimations plots with custom data