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MEASUREMENT
67
Horizontal
Position and
Scale
To move the FFT waveform
horizontally, press Horizontal until the
Frequency parameter is highlighted
and then use the Variable knob.
Range
0Hz ~ half of the sampling
frequency
To select the horizontal scale of the
FFT waveform, press Horizontal
repeatedly until the Hz/div parameter
is highlighted and then use the
Variable knob.
Advanced Math Overview
Background
The advanced math function allows complex math
expressions to be created based on the input
sources, reference waveforms or even the
automatic measurements available from the
Measure menu (see page 41).
An overview of each of the major parameters that
can be used in the advanced math function are
shown below:
Expression
Displays the function expression as it is created.
Source
Selects the source signal.
Source
CH1~2, Ref1~4
Function
Adds a mathematical function to the expression.
Function
Intg, Diff, log, Ln, Exp, Sqrt, Abs,
Rad, Deg, Sin, Cos, Tan, Asin,
Acos, Atan
Variable
Adds a user-specified variable to the expression.
Source
CH1~2, Ref1~4
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