The measure will stop by itself after time T previously chosen for the measurement of the S1 source.
The equivalent continuous level calculated from the two combined sources is displayed in front of 'S1 + S2'.
5.5.3 Store data
At the end of the measurement a screen of all results is displayed. It is then possible to :
➢ Accept measurements and store them : move the cursor on Sto. and press once on OK key to confirm. A banner displays the
storage phase.
➢ Reject measurements and not store them : move the cursor on RST and press twice on OK key to confirm. A banner displays
the phase of data deletion.
5.6 Determine a sound source among two
Example : outdoor heat pump in a background noise of day.
Estimate the sound level of a heat pump without the background noise of day, to estimate the possible nuisance of the heat pump in a
noise environment less noisy as the one present the night.
Make some measurements 18
S1
calculation
S2
calculation
S1 + S2
results
Storage
S1 + S2
results
RST active
Deletion
The determination of a sound source among a set of two can not run unless the operator can interrupt one of the
two sources, the aim being to estimate the sound level of a source without the presence of the other source.
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