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The LINE, NARROW, and SPECTRAL commands produce
plots that display the receiver and correlator setup of the
instrument. Those plots can be further modified using the PLOT
command, to e.g.:
- swap from a DSB-like plot (LSB and DSB reprensented) to a NARROW-like
plot (two selected quarters are displayed), using PLOT DSB|NARROW;
- zoom on a particular IF region, typically if many lines are
present, using PLOT /LIMITS min max;
- introduce a width for the molecular lines displayed (PLOT
- plot the location of possible spurious lines (PLOT /SPURIOUS).
See the on-line help for more details on the input parameters.