2/19/98 Log - Logging Sound Level Meter (Option 01) 6-31
Step 8 Now press l to return to the Time History
“Settings” menu.
Step 9 Press l again to return to Time History
view.
Step 10 Push VIEW V to return to the View window.
Intervals
Intervals is very useful when moni-
toring noise levels for extended peri-
ods of time. An environmental noise
monitoring survey would be an
example of an application using the
Intervals feature. The following
parameters are automatically stored
to memory at user defined time that
may range from one second to 99
hours, fifty nine minutes and 59 sec-
onds each: Leq, SEL, Lmax, Lmin,
LpkI, LpkI. Also, you may chose to
store six Ln levels, based on user-
defined percentages, with each time
interval. This permits the user to
study the statistical distribution of
the noise as a function of time.
Step 1 Within VIEW, press u or d to highlight
“Intervals”.
For sake of exercise, we will configure the setting so
that we are gathering data in 1 minute intervals. Let’s
also arrange to have the Ln statistics logged with our
other interval data.
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