obs_group,s,ql,"spsdf",,,"DOL of the Observation Group to work with" spec_dol,s,ql,"spi/spectra_GX_340.fits[2]",,,"DOL of the spectrum" ebounds_dol,s,ql,"spi/energy_boundaries.fits[1]",,,"DOL of the energy boundaries" main_title,s,ql,"NGC5548",,,"Main title of the plot" perkev,b,ql,yes,,,"display per keV (yes/no) ?" loglog,i,ql,0,0,3,"Log scaling (0 = lin/lin, 1=lin/log, 2=log/lin, 3=log/log" chatter,i,ql,"1",0,10,"chatter level"