Keysight Technologies C Series - Common Settings for Waterfall and Spectrogram

Keysight N9915-90020 User’s Guide 539
Interference Analyzer (SA Mode) – Option 236
Spectrogram and Waterfall Displays
Figure 19-3 Delta marker display
Common Settings for Waterfall and 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 SA Mode:
Waterfall settings only apply to the SA option.
The full Red-to-Blue color spectrum is visible only with Indoor display
colors. Learn more in
“Display Colors” on page 770.