Override Document Format Button in the Display Options
  Window

  Click on the Override Document Format button to apply the
  default paper size or width and height values you selected.

  Additional topics:

  *   OK Button in the Paper Size Window

  *   Cancel Button in the Paper Size Window

  *   Overview of the CDA Viewer

  *   Using the CDA Viewer Window

  *   Opening a File

  *   Selecting an Options File

  *   Creating an Options File