5-8 824 Reference Manual 9/12/00
L
N
Percentiles (Broadband)
The System 824 L
N
Centiles feature provides a set of six per-
centile values to be measured and shown in the
“L
Cen-
tiles”
display. Using these six settings, you can select any six
percentile values. For example, setting one of the six settings
to 10.5 would show the SPL that has been exceeded 10.5%
of the time during the time of overall measurement. These
settings can each take on any value within the following
range:
.01 to 99.99
L
N
Percentiles (Spectral)
The System 824 L
N
Centiles feature provides a display
showing the six Ln values of one selected 1/3 octave filter.
It also displays spectra for the six Ln percentiles.
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