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4.Advanced User Guidebook
21
DIR
channel
CH1
CH2
Select channel
type
low-pass
Only the signals whose frequencies are
lower than the current cut-off frequency
can pass the filter.
high-pass
Only the signals whose frequencies are
greater than the current cutoff frequency
can pass the filter.
band-pass
Only the signals whose frequencies are
greater than the cutoff frequency down
and lower than the current cutoff
frequency upper can pass the filter.
band-reject
Only the signals whose frequencies are
lower than the current cutoff frequency
down
or greater than the current cutoff
frequency upper can pass the filter.
window
Retangular
Tapered
Triangular
Hanning
Hamming
Blackman
Select window for digital filter
cut-off fre
or
upper down
Turn the M knob to set cut-off frequency
Vertical
(div)
Turn the M knob to adjust the vertical
position of Math waveform
FFT Peak
ON
OFF
Enable or disable FFT peak search.
Dynamic marker ▽ marks the FFT
peak.
Waveform math
Taking the additive operation between Channel 1 and Channels 2 for example, the
operation steps are as follows:
1. Press the Math button to display the math menu in the bottom. The pink M waveform
appears on the screen.
2. Select Dual Wfm Math in the bottom menu.
3. In the right menu, select Factor1 as CH1.
4. Select Sign as + in the right menu.
5. In the right menu, select Factor2 as CH2.
6. Select Vertical (div) in the right menu, turn the M knob to adjust the vertical position
of Math waveform.
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