Larson Davis SoundAdvisor 831C Reference Manual page 134

17.4.2 Using 1/1 Octave and 1/3 Octave Event Triggers
SoundAdvisor Model 831C
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 (
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
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.
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

Properties
Setting Advanced Event Triggers
*/*
) to navigate to the SLM Tab of the Setup
Setup Manager: SLM Tab
Reference Spectra tab.

System
17-7