Meyer Sound SIM 3 User's Guide Page 131

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CHAPTER 7
Using SIM 3
Figure 7.5. Smoothing dropdown list in the Frequency Response measurement
NOTE: In the Values table, the amplitude Cursor values do not track with the
View > Trace Offset or with the Offset settings. The Cursor retains the actual
value. Therefore when the Trace Offset function is used, the Cursor values will appear
to differ from the vertical axis values by the amount of offset applied.
7.2.4. Averages (Avs)
The Avs (Averages) setting determines the number of averages (samples) of the data that
are taken before a trace is shown on the display. As mentioned above in the Coherence
Threshold section, these two settings are related in order to yield the most accurate and
relevant measurement trace.
NOTE: The greater the number of averages that is selected, the more stable
and accurate the trace will be — at the sacrifice of some speed. More
averages provide greater “immunity” to the effects of random and environmental
noise on the trace.
Figure 7.6. Averages (Avs) dropdown list in the Frequency Response measurement
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