Plot

Plots can be of two types: experimental plots (numerical data typically in the form of frequency,intensity pairs) or bitmaps (a picture copied or scanned where the raw data is not available.) For more information see the overlays window. A few settings are valid for both experimental and bitmap plots:

Settings

Units Horizontal Axis units.
IntensityUnits Selects vertical units for plot, or autoscaling
Colour Colour for plot.
Hide Set to hide this plot.
ZeroValid Set if zero in data is correct.

Parameters

FrequencyOffset Frequency offset used when displaying plot.