Larson Davis System 824, Справочное руководство

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6-4 824 Reference Manual 11/8/00
General Views
The System 824 presents measurement data in both graphi-
cal and numerical/text formats for easy comprehension. This
section provides an overview of the basic components of
these display views. Detailed descriptions of the available
settings contained within any of the System 824 views can
be found in Chapter 7, “Using ID Setting Files”.
After you have selected the SLM&RTA operating mode or
instrument ID, do the following to select the desired view.
Step 1 Press the
V
button and a screen similar to the fol-
lowing will appear.
Step 2 Use the
u
and
d
arrow keys to highlight the
desired view.
Step 3 Press the Check
c
key and the desired view will
appear.
SLM Views
The SLM view is available to the
ISM, SSA, and LOG instruments. The SLM view shows the SLM data with a graphic display
of Time History. In this graphical format, a running time his-
tory based upon 1 second L
eq
values is scrolled across the
screen showing the levels of the last fifty samples. New data
points correspond to the detector and weighting selected by
their respective settings. The larger digital display indicates
the SPL for the selected values of detector and weighting.
The smaller digital display indicates the level corresponding