Service Guide N5227-90001 8-13
PNA Series Microwave Network Analyzers  General Purpose Maintenance Procedures
N5227A Option Enable Utility
Option Enable Utility
Accessing the Option Enable Utility
To start the option enable utility:
•Press
 UTILITY , then , then .
• A dialog box similar to the one illustrated in Figure 8-6 is displayed. 
Figure 8-6 Option Enable Dialog Box
Option Entitlement Certificate
If you have received an “Option Entitlement Certificate”, follow the instructions on the certificate, under 
“HOW TO USE THIS CERTIFICATE:”, to obtain license key(s) for the option(s) listed on the certificate. See 
the important note below.
NOTE When upgrading from one model number to another, a new option entitlement certificate 
will be issued. When this certificate is redeemed for a license key, the automated system 
will ask for the instrument's Host ID. Be sure to use the new Host ID that is associated with 
the new model number. Using the current Host ID will cause a license to be generated that 
will not work with the instrument. To determine the new Host ID, use the utility at the below 
listed web site with the new model number. 
http://na.support.keysight.com/pna/upgrades.html