Common Analysis and Display Functions
R&S
®
FSW
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User Manual 1173.9411.02 ─ 19
a) Stop the continuous measurement or wait until the single sweep is completed.
b) Select the frame number in the diagram footer.
c) Enter the required frame number in the edit dialog box.
Note that the most recent sweep is frame number 0, all previous frames have
negative numbers.
To remove the spectrogram display
1. Select the TRACE key and then the "Spectrogram Config" softkey.
2. Toggle "Spectrogram" to "OFF".
The standard spectrum display is restored.
To set a marker in the spectrogram
1. While a spectrogram is displayed, select the MARKER key.
2. Select a "Marker" softkey.
3. Enter the frequency or time (x-value) of the marker or delta marker.
4. Enter the frame number for which the marker is to be set, for example
0
for the cur-
rent frame, or
-2
for the second to last frame. Note that the frame number is always
0 or a negative value!
The marker is only visible in the spectrum diagram if it is defined for the currently
selected frame. In the spectrogram result display all markers are visible that are
positioned on a visible frame.
To configure a spectrogram
1. Configure the spectrogram frames:
a) Select the SWEEP key.
b) Select the "Sweep Config" softkey.
c) In the "Sweep/Average Count" field, define how many sweeps are to be ana-
lyzed to create a single frame.
d) In the "Frame Count" field, define how many frames are to be plotted during a
single sweep measurement.
e) To include frames from previous sweeps in the analysis of the new frame (for
"Max Hold", "Min Hold" and "Average" trace modes only), select "Continue
Frame" = "ON".
2. Define how many frames are to be stored in total:
a) Select the TRACE key and then the "Spectrogram Config" softkey.
b) Select the "History Depth" softkey.
c) Enter the maximum number of frames to store.
3. Optionally, replace the frame number by a time stamp by toggling the "Timestamp"
softkey to "On".
Trace Configuration
