Tektronix SPECMON3 Manual page 78

General Signal Viewing
Touchscreen Actions on Markers in the Graph Area
Action
Mouse click within 1/2 div. of
a marker
Touch marker to select and
then use knob, or arrow keys
Touch and drag a marker
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Available Traces for Display – Standard Instrument
Five traces can be shown in the DPX display– one bitmap and four line traces. The default traces are
Bitmap and +Peak detection. The other three traces are –Peak detection, average detection, and math.
Trace
Bitmap
+Peak detected
–Peak detected
Average detected
Math Trace
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Determining Which Trace Types Are Displayed
You can see the status of all the traces by selecting the Trace drop-down list. Traces that are not displayed
are preceded by "Enable". In the following figure, you can tell that the Bitmap and -Peak Trace traces are
displayed but the +Peak, Average, and Math Traces are not displayed.
Selecting Enable -Peak Trace from the Trace list displays the -Peak detected values trace.
You can see whether a trace is enabled by looking at its Show check box. The "selected trace" is selected
in the Trace list. The Show check box is checked when the selected trace is enabled. To the right of the
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Description
Selects the marker and updates the marker display to show the selected marker's values.
Adjust the setting associated with the Marker.
Changes marker position to the "drop point". You can use Tools > Options > Prefs to
change whether markers jump from one peak to the next while dragging or move smoothly
along the trace.
Description
Displays the density of acquired data. The number of data points acquired at each pixel
(representing a particular amplitude level at a specific frequency at a point in time) is indicated
by color.
Line trace. Displays the maximum values acquired in each update. Normal and Hold functions
are available for this trace.
Line trace. Displays the minimum values acquired in each update. Normal and Hold functions
are available for this trace.
Line trace. Displays the average of all the values acquired in each update. Normal and Hold
functions are available for this trace.
Line trace. Displays the difference between two traces. The two traces used are set in the
Traces tab of the Settings panel.
SPECMON3 & SPECMON6 Printable Help
DPX Display