Restore is a short form variant of QUALITY, used to clear the temporary bad quality data flag of points within a binned dataset (most significant bit of the QUALITY byte).
RESTORE = QUALITY RESTORE OVERAs with QUALITY the user is able to select axis ranges; data value ranges; and to specify a particular existing quality value, to choose the points in the dataset to be effected.
See QUALITY for full details of the parameters and their keywords.