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say " SPECTRUM plots the spectra from a cube at pixel positions"
say " "
say "* Map name is controlled by character variables NAME and TYPE."
say " "
say "* Channel range is controlled by variable RANGE (in 3rd axis internal unit)"
say "        [0 0 ==> all channels]"
say "* Spectra are marked according to variable MARK (coordinates are"
say "  displayed in arcsec, pixels as integer values, any other value"
say "  means no mark)"
say "        [COORDINATES, PIXELS or other]"
say "* Size and location of rectangular area plotted is controlled by"
say "  variables CENTER and SIZE"
say "        [SIZE[1] = SIZE[2] = 0 ==> whole map]"
say "        [X-axis limits: CENTER[1]+SIZE[1]/2 CENTER[1]-SIZE[1]/2 arcsec]"
say "        [Y-axis limits: CENTER[2]-SIZE[2]/2 CENTER[2]+SIZE[2]/2 arcsec]"
say " "
say "  RANGE [" 'bold''range[1]''norm'  'bold''range[2]''norm' "]"
say "  MARK [" 'bold''mark''norm' "]   "
say "  SIZE [" 'bold''size[1]' 'size[2]''norm' "]        CENTER [" 'bold''center[1]' 'center[2]''norm' "]"
say " "
say "  Cube name is " 'bold''name'.'type''norm'
!
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