6-52 System 824 Training Manual 2/19/98
Step 6 Now, verify that “Time History” is high-
lighted, then press c.
The larger number on the screen is
the sound pressure level at the loca-
tion of the cursor. Just below is a
value that indicates the number of
samples (with respect to the cursor
location) before (or after) the maxi-
mum SPL of the event.
Step 7 Here we see a graph of the time history event.
Press r to advance the cursor across the
graph.
Step 8 Press c to return to the “View Excd” menu.
The other choices within the “View Excd” menu
include: “Beginning”, “Ending”, “Find”, and “Graph”.
“Beginning” moves you to the first exceedance time
history record. “Ending” moves you to the last exceed-
ance time history record. “Find” lets you select the
number of the exceedance time history record that you
wish to advance to. The “Graph” settings operate the
same as was shown earlier in the “SLM Current” sec-
tion. You can control the graph level and scale of the
Exceedance Time History using this feature. “Settings”
is the area where you can modify the parameters asso-