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Exposure Time [ET <OK]
It is possible to select alternative exposures of an employee in hours and
minutes. Exposure Time is used in the calculation of Lep,d. If a value of
00:00:00 is entered for ET then the Measurement Run Time period is used in
the calculation instead. See
Function Equations
in
Chapter 11
.
In the
MENU
display screen use the
arrow keys as required until the
following is displayed: -
Press
and the instrument will now display the currently selected exposure
time in hours. Use the
/
arrow keys to alter this figure between 00 and 24.
Press
again and the instrument will display the currently selected number
of minutes. Use the
/
arrow keys to alter this figure between 00 and 59.
Press
to confirm the changes and return to the Sound Pressure Level
display screen.
Frequency / Time Weighting [WTG <OK]
In the
MENU
display screen use the
arrow keys as required until the
following is displayed: -
Press
and the instrument will display the currently selected Frequency and
Time Weighting, indicated with an asterisk *.
Scroll through the available options using the
arrow keys: -
Display
Description
A, S
‘A’ Frequency Weighting, Slow Time Weighting
A, F
‘A’ Frequency Weighting, Fast Time Weighting
C, F
‘C’ Frequency Weighting, Fast Time Weighting
C, S
‘C’ Frequency Weighting, Slow Time Weighting
Press
to confirm or
to cancel and return to the Sound Pressure
Level display screen.
C
OK
OK
OK
OK
OK
ET <OK
WTG <OK
A, F*
