Datasheet

22
Window
Hamming
Rectangle
Blackman
Hanning
Kaiser
Bartlett
Select window for FFT.
Format
Vrms
dB
Select Vrms for Format.
Select dB for Format.
Next Page
Enter next page
Hori (Hz)
frequency
frequency/div
Switch to select the horizontal position or time
base of the FFT waveform, turn the M knob to
adjust it
Vertical
div
V or dBVrms
Switch to select the vertical position or
voltage division of the FFT waveform, turn the
M knob to adjust it
Prev Page
Enter previous page
Taking the FFT operation for example, the operation steps are as follows:
1. Press the Math button to display the math menu in the right.
2. In the right menu, select Type as FFT.
3. In the right menu, select Source as CH1.
4. In the right menu, select Window. Select the proper window type in the left menu.
5. In the right menu, select Format as Vrms or dB.
6. In the right menu, press Hori (Hz) to make the symbol in front of the frequency value, turn
the M knob to adjust the horizontal position of FFT waveform; then press to make
the symbol in front of the frequency/div below, turn the M knob to adjust the time base of
FFT waveform.
7. Select Vertical in the right menu; do the same operations as above to set the vertical position
and voltage division.
To select the FFT window
■ There are 6 FFT windows. Each one has trade-offs between frequency resolution and magnitude
accuracy. What you want to measure and your source signal characteristics help you to determine
which window to use. Use the following guidelines to select the best window.