6 Measurements and Math Functions
224 InfiniiVision Oscilloscopes User’s Guide
Math Functions
Math functions can be performed on analog channels. The resulting math waveform is
displayed in light purple.
You can use a math function on a channel even if you choose not to display the channel
on-screen.
You can:
• Perform an arithmetic operation (add, subtract, or multiply) on channels 1 and 2 or on
channels 3 and 4.
• Perform a function (differentiate, integrate, FFT, or square root) on the signal acquired
on an analog channel.
• Perform a function on the result of an arithmetic operation.
To use waveform math
1 Press the [Math] key on the front panel to display the Waveform Math Menu.
2 If f(t) is not already shown on the Function softkey, press the Function sofkey and
select f(t): Displayed.
3 Use the Operator softkey to select an operator.
4 Use the Source 1 softkey to select the analog channel on which to perform math. You
can rotate the Entry knob or repetitively press the Source 1 softkey to make your
selection. If you choose a function (differentiate, integrate, FFT, or square root) the
result is displayed.
5 If you select an arithmetic operator, use the Source 2 softkey to select the second
source for the arithmetic operation. The result is displayed.
6 Use the Scale and Offset softkeys to re-size and re-position the math waveform.
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