Autodesk AUTOCAD 2006 Command Reference Manual page 937

Plot
Plots the drawing as it is displayed in the full-sheet preview, and then exits
Plot Preview.
Zoom
Displays the zoom cursor, a magnifying-glass cursor that you can use to
enlarge or reduce the preview image. To enlarge the image, hold down the
pick button and drag the cursor toward the top of the screen. To reduce the
image, hold down the pick button and drag the cursor toward the bottom
of the screen.
Zoom Original
Restores the initial full-sheet preview. Zoom Original works with both the
zoom cursor and the pan cursor.
Zoom Window
Zooms to display a specified window. Zoom Window works with both the
zoom cursor and the pan cursor.
Preview Shortcut Menu
Controls Plot Preview options. To access this menu, right-click in the preview
area.
Exit
Exits the preview.
Advanced Settings for COM Port Dialog Box | 913