1 CAPTURE
  Syntax: CAPTURE device_name [Grinell_number]
      or          device_name [Logical_name]

  Captures a new output device for the plots.  See HELP Screen_Devices
  and Hardcopy_Devices for details of the devices available. If
  you want a device other than those listed you must give its number
  (see the relevant manual for GKS or PLTSUB) and it will be captured
  as device type `Unknown'.

