... ) A, C, Z. Realized by digital filteringTime WeightingParallel F, S, I, C, Peak CA/D Bits24 bitsLevel Linearity ... Note: X is A, C, Z and Y is F, S, I.Main Parameters ofAirport Noise MeasLEPN,Td,LmaxDisplay ... weighting A, C, Z. Y is time weighting F, S, IReal-time 1/1 OCTspectrum analysis1/1 ... for noise(S6291 00202) Filters Center. Frequency: 16 Hz~16 kHz.Real-time 1/1 OCTspectrum analysis1/3 OCT spectrum ...