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User units Coordinate units specified by the user with the HP-GL and HP-GL/2 SC command.
Vector graphics A method of defining graphic images in terms of coordinates, points and lines. The
HP-GL and HP-GL/2 graphics languages use this method.
Vertical plot size The original vertical size of an imported HP-GL and HP-GL/2 image.
VMI Vertical motion index. The vertical distance that the print position moves down the
page when a line feed is performed. This can be set using printer commands or
with the printer's control panel by adjusting the "Lines" menu option in PAGE
FORMAT MODE.