Agilent Technologies HP 70910A Podręcznik Użytkownika Pobierz pdf (Strona 12)

12 Chapter 1

General Information

Serial Numbers Covered by This Manual

General Information

Serial Numbers Covered by This Manual

This manual applies to 11974 Series Preselected Millimeter Mixers with the serial number

prefixes 3001A and above.

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’s

serial number. Whenever you contact Agilent Technologies about your 11974, have the

complete serial number available to ensure that you are obtaining the most complete and

accurate information possible.

The serial number label is attached to the rear of the 11974. The serial number has two

parts: the prefix (the first four numbers and a letter), and the suffix (the last five

numbers). See Figure 1-2.

The first four numbers of the prefix are a code identifying the date of the last major design

change incorporated in your unit. 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

11974, be sure to use the complete number, including the full prefix and the suffix.

Figure 1-2 Typical Serial Number Label

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 153 154

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Agilent Technologies HP 70910A Podręcznik Użytkownika Strona 12