194 Keysight N9927-90001 User’s Guide
SA (Spectrum Analyzer) Mode
SA Mode Settings
Band/Interval Power. Learn more in “Audio” on page 642.
How to use Audio Beep
—Press Marker
— Optionally, press Marker 1 2 3 4 5 6 to select an existing marker to use with
Audio Beep. A marker will be created if one does not already exist.
—Then More
—Then Marker Function
—Then Audio Beep ON OFF
Audio Beep does NOT beep when the FieldFox is in Hold mode.
While Audio Beep is ON, press Marker 1 2 3 4 5 6
to toggle Audio Beep
through the existing markers.
To set FieldFox speaker volume control, press System
, then Volume. Learn
more in “Audio” on page 642.
Meas UNCAL Error
Meas UNCAL appears in the lower-left corner of the screen when the FieldFox
can NOT display accurate measurement results with the current settings.
Usually, the part of the trace that is inaccurate is shown at –200 dB.
The following situation can produce Meas UNCAL:
— When the ResBW/VBW ratio exceeds 10,000, causing the VBW filter to
reach the maximum capacity for averaging.
Old Data Indicator (*)
In SA mode, when the current trace does not exactly match the annotation that
is on the screen, an asterisk is displayed in the upper-right corner of the screen
graticule area. This would occur, for example, when the Res BW setting is
changed while in sweep Hold mode. The annotation is changed immediately,
but the trace is not updated until the next sweep occurs. Therefore, the current
data trace does not match the screen annotation. See the asterisk in Figure
9-1 on page 145.
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