B&K 2250 Light Manuel d'utilisateur Page 161

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153
Appendix B
Measurement Parameters
This appendix describes the measurement parameters. They are measured in accordance with
the setup parameters.
Please refer to the Glossary in Appendix E for a description of the parameters.
The following letters are substituted in the parameters that follow to represent the wide range
of frequency weightings, time weightings and percentile levels available:
V = frequency weightings A, B, C or Z (controlled by Setup > Frequency Settings > Broadband
Peak parameter)
X = frequency weightings A or B (controlled by Setup > Frequency Settings > Broadband (Excl.
Peak) parameter)
Y = frequency weightings C or Z (controlled by Setup > Frequency Settings > Broadband (Excl.
Peak) parameter)
W = frequency weightings A, B, C or Z (controlled by Setup > Frequency Settings > Spectrum
parameter)
U = time weightings F or S (controlled by Setup > Statistics > Spectral Statistics Based On
parameter)
R = time weightings F or S (controlled by Setup > Occupational Health > Time Weighting for
LAV parameter)
Q = exchange rate 4, 5 or 6 dB (controlled by Setup > Occupational Health > Exchange Rate
parameter)
N = number between 0.1 and 99.9 (controlled by Setup > Statistics > Percentile N parameter)
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