> Not to disagree or contradict you, but I have to mention what may be an > exception to that in the case of one HP instrument:
There are always exceptions. Anyway, http://www.ebay.com/itm/Agilent-HP-Keysight-05480-90013-5480A-5480B-Service-Manual-/361296424349 Is that a different instrument? Did HP/Agilent reuse numbers? -- Will