Keysight Technologies FieldFox B Series User Manual page 275

RTSA (Real-time Spectrum Analyzer) Mode—Option 350
Spectrogram Display
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
The full Red-to-Blue color spectrum is visible only with Indoor display
colors. Learn more in
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:
How to Restart the Spectrogram
Press Sweep 3 then
Keysight N9938-90006 User's Guide
— Top Displays the data trace below the spectrogram. Total trace
records: 130.
— Bottom Displays the data trace above the spectrogram. Total trace
records: 130.
"Display Colors" on page
— Red Limit Using 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
LOWEST power levels that you expect to measure. This power level,
and those measured lower than this level, appear Blue.
Restart
729.
arrows, rotary knob, or keypad, select the
arrows, rotary knob, or keypad, select the
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