CRT Unit
                            Special Characters


     The following characters have special meanings when writing to Output
     or to a file which has been assigned to the CRT using AssignCRT


   #7 Bell            Echos a beep to the internal speaker

   #8 Backspace        Moves the cursor left 1 space; does nothing
                       if cursor is at left boundary of a window

  #10 Line Feed        Moves the cursor 1 line down; scrolls window
                       up if cursor is at bottom boundary.

  #13 Carriage Return  Returns the cursor to the left edge of a window