the phase of data deletion.
5.5 Calculate two sound sources
The sound level meter processes the acoustic signal of several sound sources over a time left to the free initiative of the operator. The
measured value here is the equivalent continuous level over this time.
5.5.1 Adjustment prior to measurement
1 – Select S1 + S2 mode : move the cursor with arrow keys in 1 and select « S1 + S2 » with the scrolling
knob key.
2 – Select the frequency weighting.
Possible choices are : A frequency weighting - C frequency weighting - Z frequency weighting (LIN).
Place the cursor with arrow keys on the area 2 and select with scrolling knob A, C or Z.
5.5.2 Make calculation of two sound sources
• Measure S1 sound source
- Move the cursor to 3 and select S1 with the scrolling knob key then launch the measurement with pictogram.
- Stop the measurement when it seems representative (stabilized evolution of the LXeq value).
• Measure S2 sound source :
- Move the cursor to 3 and select S2 with the scrolling knob key then launch the measurement with pictogram.
17 Make some measurements
Ongoing
measurement
Results RST active
Deletion
Procedure
1
2
3
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