Library /sys$common/syshlp/pca$help.hlb CANCEL, ANC, Parameters  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 nodespec

    Provides the address location or locations for which to remove
    the ANC attribute from the coverage-set points in the current
    data file. For additional information on nodespecs, refer to the
    Nodespecs entry in PCA HELP.