GDS-2000E Series User Manual 
182 
FFT Peak  
 
The FFT Peak search type can be used to mark all 
FFT peaks that are above a certain threshold.  
Number of events 
or peak amplitude
Search events
Threshold level
The search function can support up to 10,000 events, 
however only 1,000 events can be displayed on screen 
at once. 
1.  Turn the FFT math function on. 
2.  Press the Search menu key. 
3.  Press Search from the bottom menu 
and turn the Search function on.   
4.  Press Search Type from the bottom 
menu and select FFT Peak from the 
side menu. 
5.  Note that the Math source is 
automatically selected.