Product Information
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3. Follow the instruction of windows installer. After the installation is
finished, the instrument restarts.
4. Press System > Firmware Revision to confirm the firmware revision
you have just installed.
Service Functions
This menu (System > Service Menu > Test and Service Functions) provides
information about various test related to the E4990A.
For more information about any test related to the E4990A, refer to the
E4990A Service manual.
Other topics about Maintenance
Removing Log Data
The E4990A creates automatic log of data for troubleshooting purpose. For
security reasons, if this data needs to be deleted, then :SERV:LOGG:CLE
command can be used to clear the log recorded by the E4990A.
The log file stores data related to:
• Power ON time
• Number of times of power ON
• Result of power ON test
• Number of times of overload
• Event Log
• Hardware driver installation/error Log
• Connected USB device Log
• User calibration Log
• Firmware error Log
• Temperature of analog boards
• Internal test result
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