Tektronix SPECMON3 Manual page 133

General Signal Viewing
The following table explains the controls that can appear on the Prefs tab.
Setting
Show:
Trace points
Show trace legend
Show graticule
Show Parameter Readouts
Show Marker readout in graph
(selected marker)
Show timestamp in graph
(selected line)
Show Power Trigger Level
Marker Noise mode
xxx
Show Parameter Readouts (DPX Spectrum Only)
The elements of the Show Parameter Readouts are:
100% POI – This is the minimum event duration required to ensure 100% Probability of Intercept or
event capture. This duration depends on interaction between span, RBW, and FFT length. You can
SPECMON3 & SPECMON6 Printable Help
Description
Selects the horizontal settings that appear below the graph area. You can choose Start,
Stop or Center, Span.
Sets the number of trace points used for marker measurements and for results export.
Enables display of a legend in the measurements area that shows the Detection method
and Function setting for displayed traces. The color of the legend text matches the color
of the associated trace.
Select to display or hide the graticule.
For the DPX display, enables/disables the display of DPX parameters. The parameters
readout shows 100% Probability of Intercept, Transforms/s, and FFT Points.
Shows or hides the readout for the selected marker in the graph area.
For spectrogram displays, this readout shows or hides the timestamp associated with the
selected line or marker position.
Displays or hides a green line in the graph that indicates the level at which the power
trigger is set. The line is not displayed if Trigger is set to Free Run.
Select to enable or disable the Marker Noise mode. Use this mode to measure noise on
the trace. See Using Noise Markers in the Spectrum Display (see page
Prefs Tab
340).
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