HP 8591C User Manual page 15

NOTE
If you are not familiar with your analyzer, refer to the analyzer's installation and operation and
programming manuals. These manuals describe analyzer preparation and verification, and tell you
what to do if something goes wrong. Also, they describe analyzer features and tell you how to
make spectrum analyzer measurements. Consult these manuals whenever you have a question about
standard analyzer use.
Firmware Requirements
Your analyzer must have firmware that was released on September 23, 1993 or later to use the HP
Turn on the analyzer.
l
Read the firmware date that is displayed (the firmware date is displayed on the analyzer's display
l
when the analyzer is first turned on). The date is displayed in a day, month, year format. For
example, if 930923 is displayed, the release date of the firmware was September 23,
rev
1993.
If the release date for the analyzer's firmware was prior to September 23, 1993, the firmware must
be updated to use the HP 85721A personality Contact your HP sales office for more information about
updating analyzer firmware.
xiv