5-68 824 Reference Manual 9/29/09
The PassBy display consists of six major components:
• Display label
•L
eq
Reading
• SEL Reading
• Max Reading
• Date/Time
• Elapsed Time
The PassBy display is shown below:
The following explains each of the display’s components:
Display label - This shows the current display (for example,
“PassBy”).
L
eq
Reading- This is the Leq for the Passby event including
all energy between the 10dB down points centered around
the maximum.
SEL Reading - This display shows the total sound energy of
a measurement compressed into one second.
Max Reading - This display shows the maximum sound
pressure level that occurred during the passby.
Date/Time -This displays the date and time of the passby.
Display label
Max Reading
Date/Time
SEL Reading
Leq Reading
Elapsed Time