Keysight N9923-90001 User’s Guide 133Power Meter (USB) ModeUSB Power Meter Settings— Single Automatically sets Continuous OFF and causes FieldFox tomake ONE measurement, then hold for the next Single key press.When a data trace is displayed, the entire trace is measured, thenholds. The Hold annotation changes to an arrow --> while themeasurement occurs.— Continuous Makes continuous measurements. This is the typicalsetting when battery power is not critical.You can also use Run / Hold +/- to toggle between Single and Continuous.Step Detection ModeThe FieldFox supports the Step Detection feature that is present in KeysightUSB power sensors. When enabled, this feature reduces settling time after asignificant step in the measured power. For more information, please refer tothe USB Power Meter documentation.How to set Step Detection mode— Press Meas Setup 4.— Then Step Detection OFF ON— Then choose from the following:— ON Enables step detection (default setting)— OFF Disables step detectionLimitsIn Power Meter Mode, Minimum and Maximum limits set a visible range ofacceptable readings between these two values. Readings that are below theminimum or above the maximum are clearly visible on the power meter display.How to set Limits— Press Limit 8.— Then choose from the following:— Min Limit OFF ON Toggles the display of the Minimum limit ON andOFF.— Min Limit Value Sets the Minimum limit power value. Power readinglower than this will exceed the limit.— Max Limit OFF ON Toggles the display of the Maximum limit ON andOFF.— Max Limit Value Sets the Maximum limit power value. Power readinghigher than this will exceed the limit.
