Define Function
You can select a math operator for the function, and the waveform source for
the operand or operands.
Operator
The Operator softkey menu is shown at the lower left.
You can select any of the 12 math functions as the math operator to act on
the operand or operands. To see the resultant waveform, simply turn the
function display to on.
Magnify
Magnifies the waveform on operand 1. This allows different
vertical and horizontal scales to be shown similar to the time base
windowing feature.
Invert
Inverts the waveform on operand 1.
Add
Adds, point by point, operand 1 and operand 2. Use add to
compare two waveforms. Simply invert one of the waveforms. Make
sure that the vertical sensitivity and offset settings are identical for both
waveforms. Then, use the add function to add the waveforms together.
Subtract
Subtracts, point by point, operand 2 from operand 1. Use
subtract to make a differential measurement.
Multiply
Multiplies, point by point, operand 1 and operand 2. Use
multiply to make power measurements.
Divide
Divides, point by point, operand 1 by operand 2.
Math Menu
Define Function
12–4
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