5-56 824 Reference Manual 9/29/09
“Excd History” settings via the SETUP S key. An
exceedance time history will be recorded for every
exceedance record.
An exceedance time history will only be recorded when all
of the criteria have been met such as:
• SPL Exceedance Level I
• Minimum Duration
While displaying any of the Exceedance Displays (a, b or c),
the corresponding Exceedance Time History can be
displayed by pressing the ckey twice
. A subsequent double
click of the ckey will return the display to the
corresponding Exceedance Display.
NOTE: For a detailed description of
Exceedance Time History settings, see
the section "Logging SLM Exceedance
History Settings" on page 7-40.
The Excd Time History display consists of seven major
components:
• Display Label
• Current Record
• Level at cursor
• Time at cursor
• Current sample
• Total number of samples
• Total number of Excd records
• Graph of Exceedance Time History
The Excd Time History display is shown below:
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