-To position the room should measure the noise level and proceed to the following steps:Step 1: enter the room should measure the noise level.Step 2: starting the device for measuring the noise level.Step 3: set the noise level measurement devices work in the first place by positioning the measuring point diagramStep 4: read the parameters shown on the meter the noise level "xx dB", wait for the stable parameters, then record the results on the report card.Step 5: continue to measure the noise level at many other locations.Note: When measuring the noise level does not speak and cause more noise.
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