Analyzing Data 16
InfiniiVision 7000B Series Oscilloscopes User’s Guide 357
Enabling Presision Measurements and Math
Normally, after pressing [Default Setup], the oscilloscope performs
measurements and generates math waveforms using a 1000- point
(maximum) measurement record. This measurement record is purposely
small in order to provide high waveform update rates and minimal “dead
time” between acquisitions to improve the probability of capturing
infrequent events.
However, at the expense of waveform update rate, you can enable
precision measurements and math waveforms that use a 128K- point
(maximum) record. This mode gives you better resolution on
measurements and math waveforms (including FFT).
To enable precision measurements and math:
1 Press the [Analyze] key.
2 Press Features; then, select Precision.
3 Press Features again to enable precision measurements and math
waveforms.
Precision measurements and math are disabled in the same way, or you
can disable them by pressing the [Default Setup] key.
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