This directory, C:\hagen\ecad\ECADWIN\IFLO, contains the block diagrams of the IF/LO system that have been maintained on the web. The drawings are in ECW (easycad) format. The upstairs drawings are IFUP1.ECW and IFUP2.ECW The downstairs drawings are IFDWN1.ECW, IFDWN2.ECW, and IFDWN3.ECW. The same drawings are saved in Autocad format as IFUP1.dwg and IFUP2.dwg, IFDWN1.dwg, IFDWN2.dwg and IFDWN3.dwg Finally, they are also save in PDF format as IFUP1.pdf and IFUP2.pdf, IFDWN1.pdf, IFDWN2.pdf, and IFDWN3.pdf J. Hagen Aug. 30, 2005