54 Keysight N9923-90001 User’s GuideNA (Network Analyzer) ModeNA Mode SettingsHow to set Output Power— Press Meas Setup 4.— Then Output Power— High Sets output power to the maximum achievable power at alldisplayed frequencies. Output power is NOT FLAT across thedisplayed FieldFox frequency span. Please see “Specifications/DataSheet” on page 263 for expected power levels.— Low Sets output power to approximately –45 dBm, FLAT across thedisplayed FieldFox frequency span.— Man (default setting at -15 dBm) Set output power to an arbitraryvalue, FLAT across the displayed Fi eldFox frequency span. If flattenedpower can NOT be achieved, a warn ing message and beep occurs. Toachieve a flattened output power, reduce the power level or stopfrequency.— Thenpress Power Level— Then enter a value using the numeric keypad, the arrows, or therotary knob.— Press Enter.System Impedance (Z0)To accurately view data presented in Smith Chart format, first set the SystemImpedance.Learn how to select Smith Chart format in “Format” on page 46.Learn how to make 75Ω measurements at the FieldFox Supplemental OnlineHelp: http://na.support.keysight.com/fieldfox/help/SupHelp/FieldFox.htmHow to set System Impedance— Press Meas Setup 4.— Then Settings.— Then scroll to System Z0 and press Ed it— Then type either 50 or 75 and press EnterPort ExtensionsPort extensions allow you to electrically move the calibration reference planeon either port 1 or port 2 after you have performed a calibration.
