Interference Analyzer (SA Mode) Option 236 115
Interference Analyzer (SA Mode) Option 236
Option 236 provides Spectrogram display, Waterfall display, and
Record/Playback. .
In this Chapter
Spectrogram and Waterfall Displays ............. 115
Spectrogram Display ........................................... 115
Common Waterfall and Spectrogram Settings 117
Waterfall Display ................................................. 118
Record Playback ................................................. 119
About Sessions ..................................................... 119
About State and User Tags ................................. 120
How to Record a Session .................................... 121
How to Playback a Session ................................. 122
Recording Configuration .................................... 123
Playback Configuration ...................................... 125
Manage Sessions .................................................. 125
Record Playback Example .................................. 126
Spectrogram and Waterfall Displays
Spectrogram and Waterfall displays provide a visual history of the measured
spectrum. Each display type can be used to locate intermittent signals or to view
signal levels over time.
Spectrogram is a single horizontal line of color-coded power while Waterfall uses
a 3-D color-coded display. The functional difference between these two displays
is that Spectrogram provides less trace detail than Waterfall display. However, it
also allows more traces to be viewed.
These two displays can NOT be used with Channel Measurements.
NOTE Although this document refers to past traces as ‘records’ these traces are not
saved in Spectrogram and Waterfall displays. They are only drawn on the
FieldFox screen.
Spectrogram Display
Spectrogram draws the most recent trace record at the top of the stack of
previously-drawn trace records. Drawing the live trace on the display is
optional.
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