Hi,
> If you pop up a time series chart, the option is under Chart Properties.  It's "Cull Data" and "... Over"
ah indeed, this seems to have been the problem !

Btw., how do you manage to cull the data without distorting the shape of
the diagram ?
Do you still keep all data points and then only display a subset, or do
you really delete data ?

Cheers,
  Axel