NTi Audio XL2 Sound Level Meter - Manual (Page 73)

73
FFT Analysis + Tolerance
Save the FFT Measurement Result
Select the memory menu • with the rotary wheel and
confirm with enter .

The memory menu opens.
Press enter • to store the test results or select Save
Screenshot to store the screenshot.

The FFT measurement is completed.
Capture References and Create Tolerances
The Spectral Limits Option extends the function range of the
XL2 with trace capturing, relative curve display and compre-
hensive tolerance handling for the FFT Analysis and the high
resolution 1/12 Oct + Tol spectral analysis.
Features:
Captures multiple traces in the internal memory •
Comparing measurement results against captured traces •
with relative or absolute curve display
Comprehensive tolerance handling
•
Creating tolerance masks based on captured reference •
curves for passed / failed measurements
Export and import of tolerance and capture files
•
True peak level in 1/1 and 1/3 octave resolution •
High-resolution Zoom-FFT up to 0.4 Hz steps in the frequen- •
cy range 5 Hz - 20 kHz
Read the detailed description in the separate chapter
Capture + Tolerance.