This link accesses the downloadable-viewable version of the Abridged User’s Guide (N9927-90001) in a CHM format for the A-Series FieldFox analyzers, including user-interface descriptions, tutorials, system requirements, licensing information, and more (i.e., does not apply to the N9912A and N9923A analyzers). To learn more, refer to the A-Series FieldFox Analyzers Unabridged User’s Guide (N9927-90020), here: https://www.keysight.com/us/en/assets/9921-01766/user-manuals/Users-Guide-A-Series-N991xA-2xA-3xA-5xA-6xA-Unabridged.pdf.