Acquisition configuration menu
Use this configuration menu to set which data points are used to acquire waveforms, and enable automatically saving acquisitions to files.
The Acquisition menu fields and controls
T
o open the Acquisition menu, double-tap the Horizontal, tap the Acquisition Settings on the Settings bar.
Displayed fields and controls can change depending on menu selections.
Field or control Description
Run/Stop Toggles the oscilloscope between constant acquisition (Run) and no acquisitions (Stop). When
stopped, the oscilloscope shows waveforms from the last completed acquisition.
Single/Seq Acquires a single acquisition or a set number of acquisitions, then stops.
Clear Erases acquired waveform data points from memory. Applies to all live acquisition waveforms.
Acquisition Mode Sample creates a record point by saving one or more samples during each acquisition interval.
Sample mode is the default acquisition mode. The instrument does no post processing of the acquired
samples in this mode.
Peak Detect alternates between saving the highest sample in one acquisition interval and the lowest
sample in the next acquisition interval. Useful for capturing fast and random events such as narrow
waveform pulses.
High Res applies unique finite impulse response (FIR) filters based on the current sample rate. This
FIR filter maintains the maximum bandwidth possible for that sample rate while rejecting aliasing.
The filter removes noise from the oscilloscope amplifiers and ADC above the usable bandwidth for
the selected sample rate. Implementation of the filter in hardware, ahead of the trigger and storage,
reduces trigger jitter
. High Res mode also guarantees at least 12 bits of vertical resolution. The High
Res sample rate and record length settings are displayed in the Horizontal badge. High Res mode sets
the maximum real time sample rate to half the maximum sample rate.
Envelope acquires and displays a waveform record that shows the extremes in variations over several
acquisitions. The instrument saves the highest and lowest values in two adjacent intervals (similar to
the Peak Detect mode). Unlike Peak Detect mode, the peaks are gathered over many trigger events.
Average acquires and displays a waveform record that is the average result of several acquisitions.
This mode reduces random noise.
Roll Mode scrolls sequential waveform points across the display in a right-to-left rolling motion. Roll
Mode starts automatically when the timebase is set to ≥40 ms/div. Roll Mode works at sample rates up
to 25 MS/s.
Number of Waveforms Sets the number of waveforms for the average result of several acquisitions. Available when
Acquisition Mode is Average.
Single Sequence/Stop After Enables stopping acquisitions after a specified number of acquisitions. Only works when using the
Single/Sequence button.
XY Toggles the XY On or Off to plot the XY plot. Default is Off.
More (DRAW A BOX Menu)
Use this menu to toggle the W
aveform view box draw mode between Zoom area mode and Mask segment mode.
To use the More (DRAW A BOX) menu:
1. Double-tap the More button (located at the top right of the Results Bar) to open the DRAW A BOX window.
Menus and dialog boxes
2 Series MSO MSO24 and MSO22 169
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