224 Keysight N9927-90001 User’s Guide
RTSA (Real-Time Spectrum Analyzer) Mode—Option 350 (CPU2 Only)
Spectrogram Display
—
Top
Displays the data trace below the spectrogram. Total trace
records: 130.
—
Bottom
Displays the data trace above the spectrogram. Total trace
records: 130.
Common Settings for Spectrogram
Set Red and Blue Limits
The colors displayed on the Waterfall and Spectrogram represent the various
measured power levels:
— Red = Highest power levels
— Blue = Lowest power levels
Adjust the Red and Blue limits to the power levels that you expect to measure.
The Blue limit must always be less than the Red limit.
For RTSA Mode:
— Press
Meas Setup 4
.
— Then choose from the following:
—
Red Limit
Using the
arrows, rotary knob, or keypad, select the
HIGHEST power level that you expect to measure. This power level,
and those measured higher than this level, appear Red.
—
Blue Limit
Using the
arrows, rotary knob, or keypad, select the
LOWEST power levels that you expect to measure. This power level,
and those measured lower than this level, appear Blue.
How to Restart the Spectrogram
Press
Sweep 3
then
Restart
The full Red-to-Blue color spectrum is visible only with Indoor display
colors. Learn more in
.
Содержание N9913A
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