Keysight N9927-90001 User’s Guide                                                            539
System Settings
Service Diagnostics
— A message is displayed: “This option will COMPLETELY ERASE 
existing user data. ARE YOU SURE?”
—Then No
 to return to the previous menu without restoring files.
Or
Press Yes
 
— Then choose either SD Card or USB
A progress bar and a message is displayed: “Restoring user data…”
Service Diagnostics
— The Service diagnostics menu is generally used to display service-related 
information. To access these menu items, press System   7
 then Service 
Diagnostics.
System Information
The System information table shows important information about your 
FieldFox. The following is the most useful information:
— Model Number – FieldFox model
— Serial Number – Identification number of your FieldFox
— Firmware Release – The currently installed version of software. Check to 
see if you have the latest firmware at: 
www.keysight.com/find/fieldfoxsupport
— Network Identity – The network name and current IP address of your 
FieldFox.
— Reflectometer Factory Cal - The Factory (CalReady) Calibration shows the 
date and time that the factory cal was performed for each test port and the 
Thru connection. The format is P1 <date time>, P2 <date time>, P1-P2 
<date time>. The factory calibration is updated when you send your 
FieldFox to Keysight for Instrument Calibration. Learn more in “Instrument 
Calibration” on page 591.
Event Log
The Event Log shows the information that has appeared on the FieldFox 
screen. The most recent information is at the top of the table. 
Press Clear Events
 to erase this information.
Battery
Learn more in Chapter 29, “Working with the Lithium-Ion Battery”, on page  
559
.