SoundAdvisor Model 831C
Understanding Triggering Methods
17-7
FIGURE 17-6
Event History Tab 1/3 Octave Page
FIGURE 17-7
Changing Record Number
Navigating Events in Octave Displays
Use the and navigation buttons to move from event to event to the
right or left, respectively.
To change the octave view, press ENTER
5
to jump your cursor from
the record number to the frequency, then press the or navigation
buttons to highlight different frequencies. Numerical values reflect the
selected frequency.
17.4 Understanding Triggering Methods
In this section:
•
17.4.1 Understanding Level Triggering
•
17.4.2 Understanding Dynamic Triggering
Your 831C SLM provides 2 ways to calculate an event trigger. The event
trigger using Level Triggering is the static value you set. With dynamic
triggering, the event trigger level adjusts according to the background
noise (and any indicated offset) in each time history period.
The highlighted band is the
L
ω
eq average sound level
for the duration of the
event at that frequency.
Use the and buttons
to highlight the desired
band. The numerical
values below display
values for that octave.
Use
5
to highlight the
frequency, OBA value, or the
reference.
To learn more about octave
page displays, see
4.1.4
About the Normalized Octave
Band Page (Live Page 4)
.
To jump to a different record number,
press the
Menu
softkey (
/*/
) and
select
Locate
from the pop-up menu.
