4.Advanced User Guidebook
Only the signals whose frequencies are
greater than the cutoff frequency down
and lower than the current cutoff
frequency upper can pass the filter.
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.
Retangular
Tapered
Triangular
Hanning
Hamming
Blackman
Select window for digital filter
cut-off fre
or
upper down
Click or to set cut-off frequency
Click or to adjust the vertical position of Math
waveform
Waveform math
Taking the additive operation between Channel 1 and Channels 2 for example,
the operation steps are as follows:
1. Click to call up the menu panel. Click the Math softkey on panel to
switch to the ON state and display the math menu on the bottom. The pink M
waveform appears on the screen.
2. Select Waveform 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, click or to adjust the vertical
position of Math waveform.
7. Select Vertical (V/div) in the right menu, click or to adjust the
vertical division of Math waveform.
User defined function
1. Click the Math softkey on panel to switch to the ON state and display the
math menu on the bottom.
2. Select User Function in the bottom menu, select Edit fun in the right
menu, an expression input keyboard pops up.