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Waveform Integration
TDS 620A, 640A & 644A User Manual
3Ć147
Zoom
Once you have your waveform optimally displayed, you may magnify (or
reduce) it vertically and horizontally to inspect any feature you desire. Just
be sure the integrated waveform is the selected waveform. (Press MORE,
then select the integrated waveform in the More main menu. Then use the
Vertical and Horizontal SCALE knobs to adjust the math waveform size.)
If you wish to see the zoom factor (2X, 5X, etc.) you need to turn Zoom on:
press ZOOM ➞ On (side). The vertical and horizontal zoom factors appear
on screen.
Whether Zoom is on or off, you can press Reset Zoom Factors (side) to
return the zoomed integral waveform to no magnification.
See Waveform Differentiation, on page 3Ć139.
See Fast Fourier Transforms, on page 3Ć36.
See Waveform Math, on page 3Ć148.
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