Keysight N9923-90001 User’s Guide79CAT (Cable and Antenna Test) ModeCAT Mode Settings—Left The Settings table is shown to the left of the trace window—Bottom The Settings table is shown below the trace window— When finished changing ALL settings, press Done to save your settingsFrequency RangeSet the range of frequencies over which you would like to make CAT ModemeasurementsWhen the frequency range is changed after a calibration is performed, the calbecomes interpolated. Learn more in “Interpolation *” on page 119.How to set Frequency Range— Press Freq/Dist.— Then choose from the following—Start and Stop frequencies - beginning and end of the sweep.—Center and Span frequencies – the center frequency and span offrequencies (half on either side of center).— Follow each setting by entering a value using the numeric keypad,arrows, or the rotary knob.—After using the keypad, select a multiplier key. Learn about multiplierabbreviations in “Multiplier Abbreviations” on page 34—After using the arrows or the rotary knob, press Enter. Theamount of frequency increment is based on the current span and canNOT be changed in CAT Mode.Scale SettingsAdjust the Y-axis scale to see the relevant portions of the data trace. The Y-axisis divided into 10 graticules.This setting can be changed at any time without affecting calibration accuracy.How to set Scale— Press Scale / Amptd.— Then choose from the following three methods:1. Autoscale All Autoscales all of the traces on the screen, useful onlyfor dual-trace configurations.2. Set Scale, Reference Level, and Reference Position:— Scale Manually enter a scale per d ivision to view specificareas of the trace
