Increase the number of points in a pss

Hello,

I did a pss analysis, with shooting engine and I saw the resulting node-voltage over time. I switched the symbols on and I noticed they are too a few; I would like to increase the numer of points in a period.

How can I do that? I tried to reduce  reltol, vabstol and iabstol in ADE->Simulation->Options->Analog, but the numer of points in a period stays the same.

Thanks!!