15.64.65.1  ABSOLUTE   - The  window may not exceed the current plot SIZE.
See:Command SET SIZE.  If CURSOR is specified, the cursor may be  used  to
set  windows.   Simply move the cursor to one corner of the window and hit
the space bar.  Them move the cursor to the diagonally oppostte corner and
hit the space bar.  The new limits are entered into the journal file.

                                  example
     TD:SET WINDOW X FROM 1 to 6 Y FROM 1.5 to 9.0
          or...
     TD:SET WINDOW FROM 1,1.5 TO 6,9.0
          or...
     TD:SET WINDOW AT 3.5,5.25 SIZE=5,7.5
          or...
     TD:SET WINDOW X AT 3.5 SIZE=5 Y AT 5.25,7.5
All produce the same window in inches.
     TD:SET WINDOW CURSOR
You move the cursor to diagonally opposite corners of the window and press
the space bar to enter the cursor location.