Manual

46
Table 8 - FFT Function Menu 1
FFT Option
Setting
Introduction
Source
CH1, CH2
Select this channel as the FFT source.
Window
Hanning
Hamming
Rectangular
Blackman
Select FFT window types.
FFT ZOOM
1X
2X
5X
10X
Changes the horizontal magnification of the
FFT display.
Next Page
Page 1/2
Enter the second page of FFT menu.
Table 9 - FFT Function Menu 2
FFT Option
Setting
Introduction
Scale
Vrms
Set Vrms to be the Vertical Scale unit.
dBVrms
Set dBVrms to be the vertical Scale unit.
Display
Split
Full screen
Display FFT waveform on half screen.
Display FFT waveform on full screen.
Next Page
Page 2/2
Return the first page of FFT menu.
To use the Math FFT mode, you need to perform the following tasks:
1. Set up the source (time-domain) waveform.
2. Press the AUTO button to display a YT waveform.
3. Turn the vertical “POSITION” knob to move the YT
waveform to the center vertically (zero divisions).