Keysight N9912-90001 User’s Guide 9-13
Interference Analyzer (SA Mode) – Option 236
Spectrogram and Waterfall Displays
A mask that is in use during a recording is NOT saved with the recording and
does NOT automatically appear during playback. Like Limits Lines, it is saved
and recalled with a state file.
Although they are created in the same manner, Limit Line files and FreqMask
files can NOT be used interchangeably.
—Press Trace 6
.
—Then Record Playback
.
—Then New Session
or Recall an existing session. The current mask appears
as soon as a session is opened.
—Then FreqMaskTrigger Configuration
.
— Then choose from the following
— Edit Mask
Create or modify the current mask. Learn how to edit the
Mask / Limit Line table in “All about Limit Lines” on page 16-14.
— Save Mask
Saves the current mask to a file.
— Recall Mask
Loads a mask file.
Record Source
The simplest way to use Record Playback is to record RawMeas data, which
can then be played back into all of the current Trace States.
However, for more complicated processing, refer to the following diagram. This
illustrates where in the FieldFox data flow data is recorded and played back.
Figure 9-3 FieldFox Data Flow and Record Playback Data Points
For this discussion, it is important to understand Trace States. Learn more
in “Trace Display States” on page 8-28.
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