Choosing Window Options
  Choose Window...  from the Options menu to change
  DECterm window features.  DECterm displays a dialog
  box.
  In DECterm dialog boxes, shaded check buttons indicate the
  current settings.
  To change these settings:
  -   Click MB1 on a check button or its label to change the
      setting.
  -   Click on the Apply button to view your changes without
      closing the dialog box.
  -   Click on the OK button to apply your changes and close
      the dialog box.
  -   Click on the Cancel button to cancel your changes.
  -   Click on the Help button to get help on the displayed
      window.
  Additional topics:
  *   Auto Resize Terminal
  *   Auto Resize Window
  *   Terminal Driver Resize
  *   Big Font
  *   Default Big Font
  *   Other Big Font
  *   Other Big Font Name
  *   Little Font
  *   Default Little Font
  *   Other Little Font
  *   Other Little Font Name
  *   German Standard Font
  *   Default German Standard Font
  *   Other German Standard Font
  *   Other German Standard Font Name
  *   Normal Font (80 Columns)
  *   Condensed Font (132 Columns)
  *   Normal/80, Condensed/132
  *   Window Title
  *   Icon Name
  *   Terminal Size
  *   Rows
  *   24 Rows
  *   48 Rows
  *   72 Rows
  *   Columns
  *   80 Columns
  *   132 Columns
  *   OK
  *   Apply
  *   Cancel
  *   Help