We begin by reading a scan's worth of raw data from a HDS file. get_data,'1998-02-14.022' Warning(HDS_OPEN): not standard file name! HDS-file opened; mode=READ. Compiled module: POLYFITW. ... Finished reading catalogs. ... The fringe data are stored in bincounts . ... In this example, there are 42300 frames (2 ms records of fringe data). help,bincounts BINCOUNTS (RAWDATA) BYTE = Array[3, 8, 32, 42300] . To display a frame, use displayframes . ... displayframes,bincounts(0,*,0,0:100) . ...