Cirrus Optimus+, Instrument Handbook

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Page 36
Sound Level Meters – User Manual
8.3 Views
8.3.1 Sound level view
Sound level: Lxy where x = A, C, Z ; y = F, S, I
Maximum sound level: LxyMax where x = A, C, Z ; y = F, S, I
Minimum sound level: LxyMin where x = A, C, Z ; y = F, S, I
Measurement run time
8.3.2 Leq view
Lxeq where x = A, C, Z
LCPeak, LZPeak, LAPeak
C-A (LCeq-LAeq)
LxE where x = A, C, Z
LAeq,I (also known as LAIeq,t) - replaces C-A when impulse time weighting is selected)
Graphical: Short LAeq, LCPeak
Measurement run time
Taktmaximal levels and integrated levels, and 3 and 5 seconds, fast and impulse time-weighted.
8.3.3 1:1 octave band view
Graphical display of LF real time octave bands with the highest value for each band (updated
every 1/16 seconds)
Graphical display of cumulative Leq for each octave band
Graphical display of cumulative LAeq for each octave band
Numeric display of Leq,1s real time octave bands (updated every 1 second)
Numeric display of cumulative Leq for each octave band
Numeric display of cumulative LAeq for each octave band
Measurement run time
8.3.4 1:3 octave band view
Graphical display of LF real time 1:3 octave bands with the highest value for each band
(updated every 1/16 second)
Graphical display of cumulative Leq for each band
Graphical display of cumulative LAeq for each band
Numeric display of Leq,1s real time bands (updated every 1 second)
Numeric display of cumulative Leq for each band
Numeric display of cumulative LAeq for each band
Leq,LF and LAeq,LF (20 to 200 Hz)
Instruments with tonal detection capability display tonal bands in blue
8.3.5 Ln view
Measures and stores statistical values during measurements.
Provides 14 Ln values to 0.1 dB resolution.
L1.0