Rohde & Schwarz ESW Series - Page 220

Common Analysis and Display Functions
R&S
®
ESW
220User Manual 1177.6298.02 ─ 08
11.3.7.2 How to Display and Configure a Spectrogram
Step-by-step instructions on how to display and configure a spectrogram are provided
here. For details on individual functions and settings see Chapter 11.3.6, "Spectrogram
Settings", on page 215.
The remote commands required to perform these tasks are described in Chap-
ter 15.7.3.5, "Spectrogram Configuration", on page 531.
The following tasks are described here:
●
"To display a spectrogram" on page 220
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"To remove the spectrogram display" on page 220
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"To set a marker in the spectrogram" on page 221
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"To configure a spectrogram" on page 221
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"To select a color scheme" on page 222
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"To set the value range graphically using the color range sliders" on page 222
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"To set the value range of the color map numerically" on page 222
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"To set the color curve shape graphically using the slider" on page 223
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"To set the color curve shape numerically" on page 223
To display a spectrogram
1. In the "Overview", select "Display", then drag the evaluation type "Spectrogram" to
the diagram area.
Alternatively:
a) Select the [TRACE] key and then the "Spectrogram Config" softkey.
b) Toggle "Spectrogram" to "On".
2. To clear an existing spectrogram display, select "Clear Spectrogram".
3. Start a new measurement using [RUN SINGLE] or [RUN CONT].
The spectrogram is updated continuously with each new sweep.
4. To display the spectrum diagram for a specific time frame:
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.
Trace Configuration