VMS Help CONVERT, /DOCUMENT, CDA Base Service Converters, Domain Converter, PAPER_ORIENTATION  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    PAPER_ORIENTATION keyword 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.