Tektronix RSA6100A Series, Help Manual

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General Signal Viewing > Spectrum Spectrum Display
Item Display element Description
1
Vert Offset Sets the top of graph value. This is only a visual control for panning the graph.
The Reference Level is adjusted in the Toolbar and the Ampl control panel.
By default, Vert Offset = Ref Level.
2 dB/div Sets the vertical scale value. The maximum value is 20.00 dB/division.
3 RBW Sets the resolution bandwidth. Note that when the RBW is set to Auto, its
value is italicized.
4 VBW Enables the VBW (Video Bandwidth) fi lter. See Setup > Settings > BW Tab
(see page 103) .
5 Autoscale Adjusts the Vertical and Horizontal scaling to display the entire trace on
screen.
6 Position Default function is CF - center frequency (equivalent to the Freq setting).
If Horizontal scaling has been manually adjusted in Settings > Scale, then
Offset will replace CF as the setting at the bottom-left corner of the screen.
7 Span / Scale Default function is Span - frequency difference between the left edge of
the display and the right edge. If Horizontal scaling has been manually
adjusted in Settings > Scale, then Scale will replace Span as the setting at
the bottom-right corner of the screen.
8
Clear Restarts multi-trace functions (Avg, Hold).
9 Function
Readout of the Detection and Function selections for the selected trace.
10
Show Controls whether the selected Trace is visible or not. When trace is Off, the
box is not checked.
11 Trace Selects a trace. Touching here pops up a context menu listing the available
traces, whether they are enabled or not. If user selects a trace that is not
currently enabled, it will be made enabled.
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Touchscreen Actions on Markers in the Graph Area
Action Description
Mouse click within 1/2 div. of
a marker Selects the marker and updates the marker display to show the selected marker’s values.
Touch marker to select and
then use knob, or arrow keys Adjust the setting associated with the Marker.
Touch and drag a marker Changes marker position to the "drop point".
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Changing the Spectrum Display Settings (see page 80)
RSA6100A Series Real-Time Spectrum Analyzers Help
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