Autodesk AUTOCAD 2006, Command Reference Manual, Page: 793 / 1490

Contour Lines per Surface
Sets the number of contour lines per surface on objects. A higher number
decreases display performance and increases rendering time. The valid range
is 0 to 2047. The default setting is 4. This setting is saved in the drawing.
(ISOLINES system variable)
Create Viewport in New Layouts
Creates a single viewport automatically when you create a new layout.
Display Layout and Model Tabs
Displays the layout and Model tabs at the bottom of the drawing area.
Display Paper Background
Displays a representation of the specified paper size in a layout. The paper
size and plot scale determine the size of the paper background.
Display Printable Area
Displays printable area in a layout. The printable area is represented by the
area within the dashed line and is determined by the selected output device.
Objects drawn outside of the printable area are clipped or omitted when
the drawing is plotted.
Display Screen Menu
Displays the screen menu on the right side of the drawing area. The screen
menu font is controlled by the Windows system font settings. If you use
the screen menu, you should set the Windows system font setting to a font
and font size that fits the screen menu size restrictions.
Display Scroll Bars in Drawing Window
Displays scroll bars at the bottom and right sides of the drawing area.
Fonts
Displays the Command Line Window Font Dialog Box. Use this dialog box
to specify the font for the command window text.
Highlight Raster Image Frame Only
Controls the display of raster images during selection. If this option is
selected, only the frame of the raster image is highlighted when selected.
Select this option to optimize performance. (IMAGEHLT system variable)
Options Dialog Box | 769