Keysight N9923-90001 User’s Guide197File ManagementSaving and Recalling Files—USB Saves/Recalls/Moves (Copies) files to or from a USB Flash drive(not included) that is inserted in one of the USB connectors. Only theroot folder is available.How to set File Type— Press Save/Recall 9— Then File Type. Choose one of the following:— State Saves ALL FieldFox instrument settings for ALL Modes to a *.stafile. If a calibration is ON in CAT or NA Mode, calibration data is alsosaved. This file can be opened ONLY by a FieldFox. State files can besaved between compatible FieldFox models. See note in.“Saving andRecalling Files” on page 192.—Trace+State Saves the current trace and instrument settings to a *.stafile. In SA Mode, all traces are saved. This file can be opened ONLY bya FieldFox. When recalled, the FieldFox sweep is set to Hold.—Picture Saves a 640 x 453 pixel image of the FieldFox screen to a *.pngfile. The picture does NOT include the softkeys.—Data (csv) Saves trace data from the current Mode to a *.csv file. Thisformat can be imported into spreadsheet software such as MicrosoftExcel. Column A is always the frequency at which the data ismeasured.——In CAT and NA Modes, only the data trace is saved – not thememory trace.——In Power Meter and VVM Mode, NO data is saved.—Data (S1P) / (S2P) Saves CAT and NA Mode trace data to an *.S1P or*.S2P file, depending on the active measurement. This file format isused by CAE programs such as Keysight's Microwave Design System(MDS) and Advanced Design System (ADS). It can also be importedinto spreadsheet software such as Microsoft Excel.About SNP FilesThe SNP file includes header information, and the following data:— S1P - saves 1-port (receiver) data for the active data trace. *.s1p Filescontain 1 stimulus value and 1 S-parameter (total of 3 scalar values) StimReal(Sxx) Imag(Sxx)— S2P (NA Mode ONLY) - saves 2-port data for the active trace. *.s2p Filescontain 1 stimulus value and 4 S-parameters (total of 9 scalar values) StimReal(S11) Imag(S11) Real(S21) Imag(S21) Real(S12) Imag(S12)Real(S22) Imag(S22)Insert only ONE USB Flash Drive in the FieldFox when saving or copyingfiles.