UNI-T UTD2052CEX - FFT Menu Description; FFT Operation Knack

Form 2-3: FFT menu Desc riptio
n
FFT operation knack:
Signals with DC component or deviation will brin
g
in error or deviation of FFT waveform component
.
A
C coupling mode can be selected to reduce D
C
component.
A
verage obtainment mode of digital storage
oscillograph can be set to reduce random noise
and alias ing frequency component of repeated or
single pulse event
.
Operating Manual for UTD2000/3000
2
3
Functio
n
Setup
Descriptio
n
Typ
e
FFT
FFT mathematical
calculation
Informatio
n
source
CH1
CH
2
To set CH1 and CH2 as
calculation waveform
.
Window
Hammin
g
Blackma
n
Rectangle
Set Hanning window
functio
n
Set Hamming window
functio
n
Set Blackman window
functio
n
Set Rectangle window
functio
n
Hannin
g
Vertical unit
Vr ms
dBVrm
To set v ertical unit to
Vrms or dBVrms
.