SoundAdvisor Model 831C
Understanding the Live Tab
4-2
Press the UP
or DOWN
navigation buttons to scroll up or
down through the pages on the Live tab.
LEARN MORE
For more
information, look for specific
terms or labels in the
The labels for sound metrics on the 831C are designated by
international standards. For many displayed values, the frequency and
time weighting are indicated in the name of the metric. For example,
L
AS
is the A-weighted sound pressure level measured using the Slow
detector. Sound pressure level is often referred to as SPL.
TAKE NOTE
Depending on which features and options you’ve enabled, your 831C
Live tabs may differ from those shown in this section.
4.1.1 About the SLM Page Live Tab Page 1
Page 1 on the Live tab presents a recent history of metrics. You can
customize the displayed metrics as shown below in this section.
TRY THIS
While on the Live (1 of 8) page, press the ENTER
5
button, and select a
new
“e uivalent”
parameter from the pop-up menu.
FIGURE 4-1
Details of the Live Tab Page 1
1.
The duration of the current
measurement. This time resets
when with an auto-store or a
measurement reset.
2.
3.
The graph presents the last 120
seconds of the measurement.
1.
L
Ae
(1s)
is the most recently graphed 1
second value. The frequency weighting
for this value, and possibly the detector,
corresponds to the metric you select
from the Live tab pop-up menu.
2.
L
Ae
corresponds to the metric you
choose in the pop-up menu on this tab.
The default value is L
AS
.
3.
L
peak
(as shown above) is the current
value from the 1s peak detector. The fre
-
quency weighting (Z in this case) corre
-
sponds to your Peak selection in the pop-
up menu on this tab.
