Larson Davis System 824 - RTA Live, RTA Max, and RTA Leq

3-6 System 824 Training Manual 2/19/98
Here you will see the current SPL
(Sound Pressure Level) from the
Impulse detector of the 824 with
simultaneous A, C, and Flat weight-
ing applied. The SPL data from the
Fast detector is also repeated here.
Step 17 Press u to access the “Any Impl-a” screen.
Now you will see the current Lmax
(Maximum Sound Pressure Level)
from the Impulse detector of the 824
with simultaneous A, C, and Flat
weighting applied. The Lmax from
the Fast detector is repeated here.
Step 18 Press r to advance to the “Any Impl-b”
screen.
Now you will see the current Lmin
(Minimum Sound Pressure Level)
from the Impulse detector of the 824
with simultaneous A, C, and Flat
weighting applied. The Lmin from
the Fast detector is repeated here.
Step 19 Press r to advance to the “Any Impl-c”
screen.
These are all of the screen associated with the “Any
Data” viewing option. Press VIEW V to return to the
View menu.
RTA Live, RTA Max, and RTA Leq
Let’s now explore some of the different ways that we
can look at RTA data from the 824. First, make sure that
you are in the View menu.