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[PICO\]EMIR [...] /ZOOM [Keyword] [Fmin Fmax]
Different zooming modes are implemented according to the entered Keyword
and the number of tuned bands.
ID : Displays all the EMIR bands, the current tuning(s) is(are)
BOTH : When two bands are tuned they are plotted without the unus
1,2 : Focus on the first or second tuning, with zoom on the two
If a frequency range Fmin Fmax (in GHz) is given instead of a keyword,
zoom on this range.