To Enhance Spectrogram Displays - Agilent Technologies 89410A Operator's Manual

Using Waterfall and Spectrogram Displays (Opt. AYB)

To enhance spectrogram displays

This procedure shows you how to use advanced features to enhance the
spectrogram display.
1.
Perform the previous procedure, "To set up a spectrogram display."
2.
Pause the measurement after the spectrogram fills the entire display.
Press [Pause|Single].
3.
Adjust the mapping of amplitude to color to obtain the best display.
Press [ ] to illuminate the Entry LED.
Marker|Entry
Press [enhance] and rotate the knob to obtain the best spectrogram display.
The [enhance] softkey lets you redistribute colors in the colorbar. A value
of 50% evenly distributes the colors. A value of 0% compresses the colors
into the top of the colorbar, whereas a value of 100% compresses them
into the bottom of the colorbar. Online help provides additional
information on this feature.
4.
Select different color maps to see the effects on the spectrogram display.
Rotate the knob to until [enhance] is back to its default value of 50%.
Press [map color] [color reverse]
Press [grey normal]
Press [grey reverse]
Press [color normal] to return to the default color map.
Color maps change the colors used in the color bar. Different color maps
offer different perspectives. Essential information may be buried, or
obscure in one color map, but prominent in another.
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