3 Spectrum Analyzer Mode
3.2 Swept SA Measurement
Here are other examples of Ref Hue settings:
Reference Hue Position
Lets you adjust where, as a percentage of the graticule, the "Reference Hue" on
page 265 appears. Above the Reference Hue Position, any amplitudes simply map
as black.
Spectrum Analyzer Mode User's &Programmer's Reference 267