User manual

110
Noise Curves
Noise Curves Result Page
4
1
7 8
9
10
3
6
11
2
12
5
The standards list the noise criteria in 5 dB steps. The XL2
measures the noise criteria in detailed 1 dB steps, which are
calculated by linear interpolation between the standardized
5 dB levels.
RNC Information Page
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14
The RNC information page is available when viewing Noise Cri-
teria and Room Noise Criteria results, in accordance with ANSI
S12.2-2008. It reports any large fluctuations or surging at low
frequencies, e.g. caused by fans.