Service Guide N5227-90001 8-19
PNA Series Microwave Network Analyzers General Purpose Maintenance Procedures
N5227A Correction Constants
Correction Constants
The analyzer stores many correction constants in non-volatile EEPROM memory. These constants enable
the analyzer to produce accurate, leveled source signals and receive clean test signals.
Storing Correction Constants
After performing any adjustment listed on page 3-39 in this manual, store the correction constants to a
backup file on the analyzer hard disk drive by performing these steps:
• Navigate to the EEPROM Backup Utility, located at:
C:\Program Files\Keysight\Network Analyzer\Service\eebackup.exe
• Run the program.
• Click Backup EEPROM.
• Click Exit when the program has finished.
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