NTi Audio XL2 Sound Level Meter - Manual (Page 65)

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FFT Analysis + Tolerance
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1 Result Symbols / Capture & Start Tolerance Mode
This field offers two functions:
Symbols for measurement results • 2
Upper result displayed as line.
Lower result displayed as bargraph.
Capture & Start Tolerance Mode •
The displayed readings may be captured as reference
reading C1 to C8 for
Comparing measurement results against captured •
traces with relative or absolute curve display.
Creating tolerance masks based on captured refer-
•
ence curves for passed / failed measurements.
Capture EQ Captures the upper parameter
Capture Live Captures the lower parameter