Larson Davis SoundAdvisor 831C, Reference Manual

Page: 134 / 214

SoundAdvisor Model 831C Setting Advanced Event Triggers 17-7
Before you begin:
• This section explains an advanced application of step 4 in 17.1
"Setting Up the Event History Measurement" on page 17-1
.
Complete steps 1–3 before proceeding.
Step 1
On the Event Triggers tab, select
Running Leq
from one of the
Trigger Source
drop-down menus, and enter a
Trigger Level
in dB.
Step 2
Use the right or left softkeys (
*/*
) to navigate to the
SLM
Tab of the Setup
Manager as shown in Figure 17-7 .
Step 3
Enter a
Running Leq
period in seconds. Enter whole numbers only, such as 1–
3600 (1 hour).
FIGURE 17-7 Setup Manager: SLM Tab
In this example, the period is set to be the Leq of the last 1200 seconds of
the measurement run time.
Step 4
Return to Step 5 of 17.1 "Setting Up the Event History Measurement" on page
17-1 .
17.4.2 Using 1/1 Octave and 1/3 Octave Event Triggers
Before you begin:
• This section explains an advanced application of step 4 in 17.1
"Setting Up the Event History Measurement" on page 17-1
.
Complete steps 1–3 before proceeding.
• Purchase and install firmware option 831C-OB1.
Step 1
On the 831C (or in G4), go to the Setup Manager

System
Properties

Reference Spectra tab.