Math
91
6. Press the
Tools
softkey to enter TOOLS menu. Press the
Type
softkey to select the type of tools. The type of the
tools can be
Peaks
,
Markers
, or
Off
.
Peaks
: Automatically mark the peak of the current FFT waveform according
to the search configuration.
Figure 9.7
FTT Peaks Menu
• Press the
Show Table
softkey to display a table of peak, and press Show Frequency softkey to display the
frequency value of the peak. Press the
Sort By
softkey continuously to set the table sorting by Amplitude or
Frequency.
• Press the
Search Config
softkey to set search configuration.
Figure 9.8
Search Config Menu
a. Press the
Threshold
softkey and turn the
Universal Knob
to set the minimum peak amplitude. Only peaks
larger than the peak limit can be judged as peaks.
b. Press the
Excursion
softkey and turn the
Universal Knob
to set the difference between the peak value and
the minimum Amplitude on both sides. Only when the difference is greater than the peak value of peak offset
can the peak value be determined.
Markers
: Customize the marker locations on the FFT waveform based on search configuration.
Figure 9.9
FFT Markers Menu
• Press Markers Control softkey to enter MARKER Menu.
Figure 9.10
Marker Control Menu
a. Press the
Marker
softkey continuously to select the marker number from NO.1 NO.8.
b. Press the
Show Marker
softkey continuously to turn on or off the selected mark.
c. Press the
Frequency
softkey to set the frequency value of the selected marker.
d. Press the
Next Peak
softkey to move the selected mark to the next peak. And press the
Next Amplitude
softkey to move the selected marker to the next peak with lower amplitude.(Up to 10 peaks are supported)
• Press the
Search Config
softkey to enter the SEARCH menu. Similar to the
search configuration
for peak
markers.
Summary of Contents for 2194
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