Calc chart secondary axis problem

All,

I am trying to plot indoor temperature and solar radiation on the same chart.

The Y-axis scale for indoor temperature (data range B2:B4241) should be 40 to 80.
The Y-axis scale for solar radiation (data range C2:C4241) should be 0 to 1000. This is my secondary axis.

I was able to add the secondary axis to the chart, but I can't figure out how to tell the chart that I want C2:C4241 plotted against the secondary axis.

Any suggestions?

Thanks,
-Bill

o Click in the chart until the points, columns, bars, line, or whatever for your secondary data series is marked by green highlight spots.
o Go to Format | Format Selection... | Options | Align data series to (or right-click | Format Data Series... | Options | Align data series to).
o Select "Secondary y-axis".

I trust this helps.

Brian Barker