684 Chapter9
If You Have a Problem
Serial Numbers
Serial Numbers
Agilent Technologies makes frequent improvements to its products to
enhance their performance, usability, or reliability. Agilent
Technologies service personnel have access to complete records of
design changes to each type of equipment, based on the equipment
serial number. Whenever you contact Agilent Technologies about your
spectrum analyzer, have the complete serial number available to ensure
obtaining the most complete and accurate information possible.
The serial number label is attached to the rear of the spectrum
analyzer. The serial number has two parts: the prefix (the first four
numbers and a letter), and the suffix (the last five numbers). See Figure
9-5.
The first four numbers of the prefix are a code identifying the date of
the last major design change incorporated in your spectrum analyzer.
The letter identifies the country in which the unit was manufactured.
The five-digit suffix is a sequential number and is different for each
unit. Whenever you list the serial number or refer to it in obtaining
information about your spectrum analyzer, be sure to use the complete
number, including the full prefix and the suffix.
Figure 9-5 Serial Number Label Example
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