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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 59.
Resolution BW and Video BW. Learn more on page 69
Sweep Time (Acquisition). Learn more on page 73.
Resolution (Number of Points). Learn more on page 78.
Waterfall Angle
This setting allows you to show more or less detail. More detail provides fewer
(time) records.
Press Meas Setup 4
Then
Then
Then choose from the following:
Learn how to set Red and Blue Limits and Time Markers on page 96.
Record Playback
Record Playback allows you to record SA trace sweeps and play them back at a
later time. Use this feature to monitor spectrum activity over a period of time.
You can record traces continuously, record a specified number of traces
(segments), or record when triggered by a specified power level.
Traces can be recorded from, or played back into, any measurement type (such
as Channel Power or Occupied BW) or any display type (such as Spectrogram
and Waterfall).
When GPS is enabled and displayed, the current location and elevation are saved
and played back with traces.
Recordings can be saved to the FieldFox Internal memory, an SD Card, or a USB
flash drive.
About Sessions
A Recording Session is a collection of recorded traces and the instrument states
that generated them.
Before recording can occur, a new session must be initiated or an existing
session must be opened. Sessions can later be opened for playing or continued
recording. Only one session can be open at a time.
98
Spectrogram Settings
Waterfall Angle
Compromise between detail and number of records.
Moderate
o
Least detail with highest number of records.
Steep
o
Most detail with lowest number of records.
Gradual
o
Wide Angle
Moderate angle with increased space between records.
o
N9912A FieldFox User's Guide
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