User manual
30
Math key 2/2 (FFT/FFT rms)
CH1/2
1 / 2 / 5 / 10 / 20X
Source
CH1
Window
Hanning
MATH
CH1 + CH2
CH1 - CH2
CH1 x CH2
FFT
FFT rms
Flattop /
Rectangular /
Blackman / Hanning
Operation
FFT
-12div ~ +12div
20 / 10 / 5 / 2 / 1 dB
Vertical
2V
0.00 Div
Zoom
1X
0.0000Hz
Math on / off
Math
Select math operation type
(+ / – / x / FFT / FFT rms)
Operation
Select FFT source channel
Source
Select FFT window
Window
Select FFT result position
Vertical → VAR
Select vertical scale
Vertical → VOLTS/DIV
Select vertical units
Vertical
Select Zoom level
Zoom(X) → VAR
Select Horizontal position
Zoom(Hz) → VAR