/sys$common/syshlp/helplib.hlb ICONV, CONVERT, Qualifiers  *Conan The Librarian (sorry for the slow response - running on an old VAX)

   /FROMCODE=fromcodeset

     A required qualifier that specifies the codeset of the
     characters in the input file (infile).

   /TOCODE=tocodeset

     A required qualifier that specifies the codeset of the
     characters in the output file (outfile).

     Public conversion table files are in the directory defined by
     the logical name SYS$I18N_ICONV.  Put new conversion table files
     in the same directory if you want to make them available
     system-wide.