/sys$common/syshlp/helplib.hlb VIEW, Domain Converter Options, PAPER ORIENTATION keyword  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    PAPER_ORIENTATION specifies the paper orientation to be used in
    the output file. The valid values for the orientation argument
    are as follows:

    Keyword         Meaning

    PORTRAIT        The page is oriented so that the larger dimension
                    is parallel to the vertical axis.

    LANDSCAPE       The page is oriented so that the larger dimension
                    is parallel to the horizontal axis.

    The default is PORTRAIT.