EXPLORE /ADD

        [DISPLAY\]EXPLORE  /ADD Cx Cy [Box]

    Add the spectrum coming from positin Cx Cy (in arcsec) in the specified  Box
    number.  The  Box number indicates the placement as in a numeric keypad lay-
    out. Box 5 (the center) is reserved for the 2-D map.

    If Box is not present, the spectrum is placed in the most plausible position
    according to the coordinates (Cx,Cy).