Svantek SV 977D - Page 195

195
SV 977D User Manual - Appendixes
Group name
#1
code
#7
code
#S
code
Code description
Detector type in 1/x Octave
analysis in SLM mode (for
Audio band only)
XXB
0 – Linear
1 – Fast
2 – Slow
Storing the results of
1/x Octave analysis in
logger’s file in SLM mode
b
0 - switched Off
8 - logger with Leq spectrum
Filter type in 1/x Octave or
FFT analysis in VLM mode
i
0 - HP filter
Storing the results of
1/x Octave analysis in
logger’s file in VLM mode
g
0 - switched off
8 - logger with RMS spectrum
Table A.7. FFT parameters
Group name
#1
code
#7
code
#S
code
Code description
Averaging in FFT analysis
a
0 - Linear
1 - Exponential
Time Constant for exponential
averaging in FFT analysis
j
100 - 100ms
125 - 125ms
200 - 200ms
500 - 500ms
1000 - 1.0s
2000 - 2.0s
5000 - 5.0s
10000 - 10.0s
FFT analysis band
r
1 - 20 kHz
2 - 10 kHz
3 - 5 kHz
4 - 2.5 kHz
5 - 1.25 kHz
6 - 625 Hz
7 - 312 Hz
8 - 156 Hz
9 - 78 Hz
Window in FFT analysis
w
0 - Hanning
1 - Rectangle
2 - Flat Top
3 - Kaiser-Bessel
FFT lines
y
0 - 1600
1 - 800
2 - 400
Storing the results of FFT
analysis in logger’s file
q
0 - switched off
8 - logger with RMS spectrum