Enable this setting to override the page orientation set by the host and instead, use the orientation currently defined in the Windows
dialog box. This option is applicable to both terminal and printer sessions.In terminal sessions, page orientation is not explicitly set by the host but may be implied by the host page size. For example, by default the host page size is defined by the number of columns and rows that make up the terminal display. If the display is narrower than it is long, portrait orientation is implied. If the display is wider than it is long, landscape orientation is implied.
In printer sessions, the host may explicitly set a particular orientation in the data stream, or an orientation may be implied by the host page size, as described in the preceding text for terminal sessions.