(form "00079" (size 63  7)
  (help "00079_TIP_0")
  (heading "DIGITISER Y & X SCALES")
  (label (position  2  3) (text "Y Scale"))
  (label (position  2  4) (text "X Scale"))
  (field "yscale" (position 10  3) (display_length 40) (input disallowed))
  (field "xscale" (position 10  4) (display_length 40) (input disallowed))
  (default_buttons)
)