426                                                                                                                     Keysight N9927-90001 User’s Guide
Interference Analyzer (SA Mode) – Option 236
Spectrogram and Waterfall Displays
— Resolution (Number of Points). Learn more in “Points ” on page 177.
Waterfall Angle
This setting allows you to show more or less detail. More detail provides fewer 
(time) records.
—Press Meas Setup 4
—Then Waterfall Settings 
—Then Waterfall Angle
— Then choose from the following: 
— Moderate
 Compromise between detail and number of records.
— Steep
 Least detail with highest number of records.
— Gradual
 Most detail with lowest number of records.
— Wide Angle
 Moderate angle with increased space between records. 
Learn how to set Red and Blue Limits in “Set Red and Blue Limits” on 
page 424.