SPECIFY

        [CLEAN\]SPECIFY [Buffer|FileName.Type|*] Keyword Value [Key Val ...]

    Specify or modify some information in internal buffers, or a Sic Image Vari-
    able, or Gildas Data File.

    If the first argument is a * (or is omitted), SPECIFY will apply to all rel-
    evant internal buffers (CLEAN, CONTINUUM, DIRTY, UV, SHORT, ...)

    If the first argument contains a . (the separating character between a  file
    name from the file type), it is assumed to be a filename.

    Otherwise, it should a SIC IMAGE variable or a recognized buffer.

    Recognized  values for Keyword are: BLANKING, FREQUENCY, LINENAME, VELOCITY,
    SPECUNIT, TELESCOPE, UNIT.