PADS Unit - select the units for the PADS ascii file - inch, mil, mm, cm.

PADS Linewidth - zero width lines in mask need to be assigned a finite linewidth in PADS.

Max Vertex Number - MSK polygons can have unlimited number of vertices - PADS 2.0 is limited to 100 vertices and PADS 2.1 is limited to 500 vertices.

Working directory - determines where config files and ascii file are written.