Larson Davis System 824 User Manual

11/8/00 System 824 Views 6-59
• Elapsed Time
The
Metric -b
display is shown below:
The following explains each of the display’s components:
Display label
- This shows the current display (for example,
“
Metrics-b”)
.
L
eq
Reading
- This shows the level of a constant sound over
a specific time period that has the same sound energy as the
(unsteady) sound over the same period.
Exceedance L
eq
- This displays the average L
eq
of all the
exceedance events.
Exceedance Duration
- Total time of all exceedances.
Background L
eq
- This display shows the average L
eq
for
the total measurement period minus the combined event L
eq
.
Elapsed Time
- This shows the elapsed time of the overall
measurement.
PassBy
The u and d arrow keys can be
used to cycle between the Metrics,
PassBy, and Wind / Tach views.
The
PassBy
View has a single display that shows the largest
single 10dB passby event detected. The display can be
accessed by simply selecting
PassBy
with the
c
Check key
from within the main View menu.
Leq Reading
Elapsed Time
Display label
Leq Exceedance
Leq Background

Larson Davis System 824 Specifications

General

Brand	Larson Davis
Model	System 824
Category	Measuring Instruments
Language	English