Measurements panel fields and controls.
Field or control Description
Shared Reference Levels Tap to select either Global or Per Source reference levels.
Global applies the same reference levels to all measurement sources.
Per Source allows selection of a different reference levels for all measurement sources.
Calculate Reference Levels Tap to select how often to calculate reference levels.
First Acq only calculates the reference levels on the first acquisition and re-uses them for all
subsequent acquisitions. Pushing the Clear front-panel button, or making measurement
changes (adding, deleting, or reconfiguring) also clears the reference levels which are then
recalculated on the next acquisition.
Every Acq calculates the reference levels with every acquisition.
Measurement Interpolation Interpolation defines how the waveform is drawn between waveform record data points. Tap
and select the measurement interpolation method.
Auto selects the best interpolation method.
Sin(x)/x interpolation computes record points using a curve fit between the actual samples
acquired.
Linear interpolation computes record points between actual acquired samples by using a
straight line fit.
Measurement Annotations Annotations show the exact segment of the waveform from which the measurement is derived.
The annotation types consist of horizontal bars, vertical bars, or cross-hatch marks.
Auto sets annotations to display if valid for the measurement. To view annotations for a
measurement, select that measurement badge. If annotations are valid for that measurement,
they are added to the waveform source for that measurement.
Off turns off display of measurement annotations.
Menus and dialog boxes
292 MSO54, MSO56, MSO58, MSO58LP, MSO64 Help
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