Use your favorite Postscript viewer to examine the output spectra
files. For example, if your direct image is called
ov3_dir.fits, the spectrum of the first object found will be plotted
in file ROOT_0.ps which will be located in directory
$CNC_SPECOUT
(where ROOT is taken from the ROOTNAME keyword from the
FITS file header, or whatever keyword isa actually declared to point
to the target name in the $CALNIC_BASE/calib/fitskeywds.dat
file).
To view this spectrum e.g. with ghostview, type:
ghostview $CNC_SPECOUT/ov2_0.ps