ErrataTitle & Document Type: 8691B, 8692B, 8963B, 8964B, 8965B RF Unit Operatingand Service ManualManual Part Number: 08691-90022Revision Date: June 1970HP References in this ManualThis manual may contain references to HP or Hewlett-Packard. Please note thatHewlett-Packard's former test and measurement, semiconductor products and chemicalanalysis businesses are now part of Agilent Technologies. We have made no changes tothis manual copy. The HP XXXX referred to in this document is now the Agilent XXXX.For example, model number HP8648A is now model number Agilent 8648A.About this ManualWe’ve added this manual to the Agilent website in an effort to help you support yourproduct. This manual provides the best information we could find. It may be incompleteor contain dated information, and the scan quality may not be ideal. If we find a bettercopy in the future, we will add it to the Agilent website.Support for Your ProductAgilent no longer sells or supports this product. You will find any other available productinformation on the Agilent Test & Measurement website:www.tm.agilent.comSearch for the model number of this product, and the resulting product page will guideyou to any available information. Our service centers may be able to perform calibrationif no repair parts are needed, but no other support from Agilent is available