look at http://pd.pennnet.com/Articles/Article_Display.cfm?ARTICLE_ID=266499&p=21&cat=INDUS&pc=ENL ... the last letter of that link should be 'L'. --Bob -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist