47
Measurement
When using this unit in a mode other than sound level measurement, all
processing functions provided by the unit are carried out simultaneously.
(However, only the auxiliary processing function set to "On" on the Menu
screen 4/5 "Display" screen is carried out.) For example, when equivalent
continuous sound level measurement is selected, the sound exposure level and
percentile level are also determined. However, the time percentage setting for
the percentile level (5 values) must be selected beforehand. Also, make sure
that the date and time are set correctly, as described on page 21.
Sound level Measurement
The procedure for sound level measurement is described below.
Preparations as described in the previous chapter must be completed first.
Sound level
1. Turn the unit on by pressing the Power key.
After the power-on screen, the measurement screen is shown.
The various settings depend on the condition the unit was in before it
was last turned off.
S O U N D L E V E L M E T E R
N L - 2 1
R I O N C O . , L T D .
P o w e r - o n s c r e e n
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