Exceedance Icon; Event History Spectral Display - Larson Davis SoundAdvisor 831C Reference Manual

17.5.1 Exceedance Icon

FIGURE 17-6 Exceedance Icon
Ready
All the pre-
samples have
been recorded
and it is waiting
for an event

17.5.2 Event History Spectral Display

To learn more
LEARN MORE
about octave page displays,
see "Data Display" on page 4-
1.
FIGURE 17-7 Time History 1/1 Octave
5
Use the to jump
your cursor from
frequency, OBA, or
reference.
To learn
LEARN MORE
more about octave
page displays, see
"Data Display" on
page 4-1.
Changing Displayed Record
SoundAdvisor Model 831C
Trigger
The sound
level exceeds
the trigger
level.
If you indicated OBA metrics, multiple pages will be available to view
on the Time History tab.
The selected record number for which data is being displayed is
indicated at the bottom of the page, the last value stated, as you
navigate through the pages.
Viewing Event History Data
Valid
The sound level
has exceeded
the trigger level
for the
minimum
duration.
Continue?
The sound level is
below the trigger
level and is in the
continuation
period until the
event continues or
the event ends.
The highlighted band
is the L average
?eq
sound level of for the
duration of the event
at that frequency.
4 6
Use the and
keys to highlight
the desired band
and the numerical
values below will
reflect the
information at that
octave.
17-6