84
Additional options
Reverberation results
Models SE and DL
studies, you may want to review the data at the end of the session. In this
example, you would access the File\Session\Data File screen and select a
past study. (For more information, see “Viewing past sessions/studies” in
Chapter 7.)
RT60 summary screen
This is a vertical bar chart that will plot the T60 values taken from each octave
band or 1/3 octave band.
Viewing RT60 values of each band
1. The decay value for each specific band is viewable by pressing the
left/right arrow keys.
NOTE: Bands with invalid T60 values will show dashes (---) instead of a
value.
Figure 6-5: RT60 bar chart screen
Deleting RT60 value in a filtered band
This optional feature allows you
to delete a selected filtered band from the
session average and is available when in review mode of “view current study”
screens. (This may be used, if for example, you had someone accidentally
walk in during your test and begin speaking. You could delete the bands
which interfered with your test from the RT60 average results.)
1. To delete a filtered band, select either the RT60 Summary screen or the
Decay curve screen.
Filter band results
Displays the RT60 filter
band frequency values
T
60(20)
States that T60
measurement was
extrapolated from a
T
20
measure.
Overall RT60 value of
selected band.
Selected band
RT60 bar chart
Decay
(To view decay
results, press softkey)
Summary of Contents for SP-DL-1
Page 1: ...3M Personal Safety Division 3MTM SoundPro SE DL SeriesSound Level Meters SoundProUser Manual ...
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Page 35: ...22 Turning off Navigating Models SE and DL This page left blank intentionally ...
Page 69: ...56 Communications GPS Models SE and DL This page left blank intentionally ...
Page 89: ...76 Back erasing Stopping a session Models SE and DL This page left blank intentionally ...
Page 137: ...AC DC output DC output 124 Models SE and DL This page left blank intentionally ...
Page 149: ...Appendix A 136 Models SE and DL Block Diagram for SoundPro ...
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