| 1. | HP (Hewlett-Packard) Network Card 8990A User Guide Operating Manual HP 8990A Peak Power Analyzer SERIAL NUMBERS Attached to the rear panel of the instrument is a serial number plate The serial number is in the form OOOOAOOOOO the first four digits and the letter are the serial number prefix The last five digits are the suffix The prefix is the same for identical instruments it changes only when a configuration change is made to the instrument The suffix however is assigned sequentially and is different for each inst |
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