About this ManualWe’ve added this manual to the Agilent website in an effort to help you supportyour product. This manual is the best copy we could find; it may be incompleteor contain dated information. If we find a more recent copy in the future, we willadd it to the Agilent website.Support for Your ProductAgilent no longer sells or supports this product. Our service centers may be ableto perform calibration if no repair parts are needed, but no other support fromAgilent is available. You will find any other available product information on theAgilent Test & Measurement website, www.tm.agilent.com.HP References in this ManualThis manual may contain references to HP or Hewlett-Packard. Please note thatHewlett-Packard's former test and measurement, semiconductor products andchemical analysis businesses are now part of Agilent Technologies. We havemade no changes to this manual copy. In other documentation, to reducepotential confusion, the only change to product numbers and names has been inthe company name prefix: where a product number/name was HP XXXX thecurrent name/number is now Agilent XXXX. For example, model numberHP8648A is now model number Agilent 8648A.