Keysight N5221A Service Manual page 169

PNA Series Microwave Network Analyzers
N5221A/22A
c. You can learn your System CPU version using the PNA software. On the PNA front panel, press Help >
About Network Analyzer. In the window displayed, find "System CPU Version."
d. For more information on the N8983A SSD, refer to the Windows 7 Operating System Upgrade Kit
Installation Note, available online at http://literature.cdn.keysight.com/litweb/pdf/N8983-90001.pdf.
e. The lithium battery is located inside the A17 CPU board assembly. Refer to
Lithium Battery" on page 7-54
Service Guide N5222-90001
for an illustration.
Replaceable Parts
Replaceable Parts Listings
"Removing and Replacing the
6-15