SET QUALITY

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SET QUALITY

            LAS\SET QUALITY q

        FIND will select only observations of quality better than Q  (i.e.  less
        than  Q). When originally written, unless the real time acquisition sys-
        tem detected a severe problem, all observations have quality 0, a priori
        the  best.  The  quality flag of an observation can be changed using the
        TAG command. See HELP TAG for the recommended quality scale.