the other Barry wrote: >I've got the file if you need it. Not very large. It is also posted on the BAMA site (52 pages, ~800 kB): <http://bama.edebris.com/download/hp/3586/A%20PRACTICAL%20GUIDE%20FOR%20USING%20THE%20HP3586A.pdf> <http://bama.edebris.com/manuals/hp/3586/> Best regards, Charles