100 Keysight InfiniiVision 3000T X-Series Oscilloscopes User's Guide
5 Math Waveforms
3 Use the Operator softkey to select an operator, transform, filter, or visualization.
For more information on the operators, see:
• “Math Operators" on page 102
• “Math Transforms" on page 104
• “Math Filters" on page 118
• “Math Visualizations" on page 121
4 Use the Source 1 softkey to select the analog channel, lower math function, or
reference waveform on which to perform math. You can rotate the Entry knob or
repetitively press the Source 1 softkey to make your selection.
Higher math functions can operate on lower math functions when using
operators other than the simple arithmetic operations (+, -, *, /). For example, if
Math 1 is set up as a subtract operation between channels 1 and 2, the Math 2
function could be set up as a FFT operation on the Math 1 function. These are
called cascaded math functions.
To cascade math functions, select the lower math function using the Source 1
softkey.
5 If you selected an arithmetic operator for the math function, use the Source 2
softkey to select the second source for the arithmetic operation.
6 To re-size and re-position the math waveform, see “To adjust the math
waveform scale and offset" on page 101.
When cascading math functions, to get the most accurate results, be sure to vertically scale
lower math functions so that their waveforms take up the full screen without being clipped.
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