Note: The current logger time step in seconds can be obtained from the formulae:
T = BuffTSec + BuffTMilisec / 1000.
Table B.1.23. Spectrum header of the file from the logger
[21, nn=block_length=1+4*NumberOfBufferedSpectrums ]
channel number of the first logged spectrum minus 1
the lowest 1/1 OCTAVE or 1/3 OCTAVE frequency (*100 Hz)
of the first logged spectrum or 0 in the case of FFT
number of 1/1 OCTAVE or 1/3 OCTAVE or FFT results
of the first logged spectrum
number of TOTAL values of the first logged spectrum
channel number of the last logged spectrum minus 1
the lowest 1/1 OCTAVE or 1/3 OCTAVE frequency (*100 Hz)
of the last logged spectrum or 0 in the case of FFT
number of 1/1 OCTAVE or 1/3 OCTAVE or FFT results
of the last logged spectrum
number of TOTAL values of the last logged spectrum
Table B.1.24. Contents of the file from the logger
result#1, result#2, ... result#(BuffLength/2-1)
Table B.1.25. File end marker
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