REAL RANGE[2]
Specify the range to be displayed for the 3rd axis, as well as the dis-
played range of the integrated spectrum.
RANGE should not be confused with SPAN, which specifies the displayed
velocity range in the two PV diagram panels.
2 SFLUX
Character*32 SFLUX
Specify the flux (intensity) range for the spectra. SFLUX can be * or 0
to indicate a fully automatic scale, or indicate a Min Max, each of
which possible * to indicate a automatic limit.