Svantek SV 104BIS, User Manual

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29 SV 104BIS User Manual
The results of 1/1-octave analysis (so-called spectrum) can be examined by the user on a display in the
Spectrum VIEW presentation mode. 1/1-octave spectra for all 9 centre frequencies of pass-band filters
together with the 3 TOTAL overall values measured with the user selected frequency weighting filters
are presented in the Spectrum mode, if enabled in the configuration setup. Spectrum cursor can be moved left
and right with the and keys respectively.
With the use of the Supervisor software, the user can select which spectrum ( LEQ , MAX or both) will be
available for view (Chapter 6.3.7 ).
Figure 3-14 1/1-octave analysis LEQ spectrum graph view
Figure 3-15 1/1-octave analysis MAX spectrum plot view
3.10.5 1/3-octave analysis spectrum view mode
Note: The 1/3-octave analysis is switched on with the use of the Supervisor software
–
see
Chapter 6.3.5.
Note: The 1/3-octave analysis is an optional function and should be activated before use. Activation
of the optional functions can be made with the use of the Supervisor software
–
see Chapter 6.2 .
current
centre
frequency
current
Total LEQ
weighting filter
value of the
spectrum
at cursor
position
weighting
filter
cursor
current
centre
frequency
current
Total Lmax
weighting filter
value of the
spectrum
at cursor
position
weighting
filter
cursor