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Larson Davis 824 User Manual

Larson Davis 824
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5-18 824 Reference Manual 9/29/09
The following discusses each of these display components:
Display label - This shows the current display (in this
example, “SSA Time History”).
Leq reading at cursor - Displays the current Leq of the
time history period. This level is also shown graphically.
Time cursor/Record number - The Time cursor (the vertical
bar) allows you to scroll graphically through the history of
the displayed measurement readings using the arrow keys.
Notice that as you move back and forth in time that the
record number changes. The total number of records is also
shown.
Time history graph - Shows the history of Leq readings.
Time increases towards the right of the display.
TH represents time history which is
the TH setup in the settings menu.
Value of other level - This shows the value of the other
levels selected in the TH setup.
Use the up
uand down darrow
keys to view each level selected in
the TH setup.
Other level - This shows all of the levels selected in the TH
setup in the settings menu.
Status indicator -The status indicator will show one of the
six possible events that occurred at the point of time
referenced by the time cursor:
Run - Indicates that a measurement started at this
time.
Stop - Indicates that measurement stopped at this
time.
Pause - Indicates that the measurement paused at
this time.
Cont - Indicates that the measurement continued at
this time.
Reset - Indicates that the measurement was reset at
this time.
Mark - Indicates that a marker was set at this point
in time.

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Larson Davis 824 Specifications

General IconGeneral
BrandLarson Davis
Model824
CategoryMeasuring Instruments
LanguageEnglish

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