SoundAdvisor Model 831C
Understanding the Live Tab
4-4
4.1.4 About the Normalized Octave Band Page (Live Page 4)
TAKE NOTE
This page only displays when you enable the Spectral Ln feature in the
measurement setup file.
Similar to the regular octave band pages, the normalized band pages show
octave bands (for 1/1 or 1/3) and the numerical values of the highlighted
band. However, the data is normalized using the reference spectra you define
at
Tools
3
System Properties
Reference Spectra
.
FIGURE 4-4
Live Tab: Normalized Octave Band Page
1.
Use the Right and Left navigation buttons (
46
)
to highlight the bands and change the numerical
values.
2.
On this page, pressing
5
moves this arrow
selector between the following options:
Ref
,
Set
Reference
, and back to the
Octave
.
3.
View References 1, 2, 3, 4, A, -A, C, and -C.
4.
Save the current selected values to use as a
reference by selecting
Set Reference
(hig
5
).
Table 4.1 User-Defined Reference Spectra Definitions
4.1.5 About the Triggering Page (Live Page 5)
The Triggering page shows when any of the Trigger levels you define in the
measurement setup have been exceeded.
FIGURE 4-5
Live Tab: Triggering Page
1.
Current live sound as measured with the
frequency weight and detector chosen in the
measurement Setup.
2.
When the SPL1 & SPL2 trigger levels are
exceeded they display in orange and red the
higher they go.
3.
If sound levels in the measurement exceed
the Peak triggers, the values here display in
orange and red, the higher they go.
1.
2.
3.
4.
User Defined
1 2 3 4
Positive Frequency Weighting
A C
Negative Frequency Weighting
-A -C
1.
2.
3.
