WAVERUNNER XI SERIES
Enhanced Resolution (ERES) Setup
134 WRXi-OM-E Rev C
number of math traces available depends on the software options
e the Operator1 field.
1. In the menu bar, touch Math, then Math Setup... in the drop-down menu.
2. Touch a function tab F1 through Fx The
loaded on your oscilloscope. See Specifications..
3. Touch insid
4. Select ERES from the All Functions or Filter group of Math functions.
5. Touch the Trace On checkbox.
6. Touch the "ERES" tab in the right-hand dialog, then touch inside the bits field and make an "Enhance by"
selection from the pop-up menu:
.
Waveform Copy
The Copy math function makes a copy of your present waveform in its unprocessed state. While
processing may continue on the original waveform, the copy enables faster throughput in some cases by
preserving the original data. That is, no calculations need to be undone on the copy before additional math can be
calculated.
This benefit of faster throughput, however, comes at the expense of memory usage.
Waveform Sparser
The Sparse math function allows you to thin out an incoming waveform by skipping points at regular
intervals, and by starting acquisition at a particular offset (point). The Sparsing factor specifies the number of
sample points to reduce the input waveform by. A sparsing factor of 4, for example, tells the oscilloscope to retain
only one out of every 4 samples. A Sparsing offset of 3, on the other hand, tells the oscilloscope to begin on the
third sample, then skip the number of samples specified by the sparsing factor (4). In this way, the sample rate is
effectively reduced.
For the sparsing factor (interval), you can set a value from 1 to 1,000,000 points. For the sparsing offset you can
set a value from 0 to 999,999.
Note: The maximum sparsing offset that can be entered for any sparsing factor equals Sparsing Factor 1
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