Waterfall Display - Keysight N9912A User Manual

 An invalid (very large number) appears when a trace record is not available at one
or both of these markers.
How to Restart the Spectrogram
Press Sweep 3 then
Restart
Averaging
Averaging can be enabled on the underlying measurement. Press Trace 6 then
[Average]. Learn more on page 87.
State
Measurement Preset
Measurement Preset resets ONLY the Spectrogram and Waterfall display settings. It
does not reset the measurement settings.
 Press Preset
 Then
Meas Preset

Waterfall Display

The live trace is always drawn on a Waterfall display. Older trace records scroll up
from the displayed trace and eventually off the screen. Because of this, locate the
live trace on the bottom of the screen using the scale and reference settings. Learn
more on page 72.
Note: Although this document refers to past traces as 'records' these traces are not saved.
They are only drawn on the FieldFox screen.
Waterfall display- moderate angle- with time markers 1 minute apart.
The following settings all contribute to the sweep time of an individual trace, and
therefore, the total elapsed time that can appear on the screen in Waterfall display:
 Frequency Range. Learn more on page 68.
 Resolution BW and Video BW. Learn more on page 78
 Sweep Time (Acquisition). Learn more on page 82.
 Resolution (Number of Points). Learn more on page 87.
Interference Analyzer (SA Mode) - Option 236 105