NTi Audio XL2 Sound Level Meter - Manual (Page 76)

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Reverberation Time RT60
RT60 Cycle Result Page
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1 Set Level Markers
Prior to conducting a reverberation time measurement, the
environmental noise is measured, and the required energy
level of the test signal is determined.
Select • SET and press enter to measure the actual en-
vironmental noise.

The required level markers appear in grey color.
2 Input Range
Select between the lower, mid and upper input range. The
exact ranges depend on the microphone sensitivity setting
in the calibration menu of the XL2.
3 Run Indication
This icon displays the running and stop status of the rever-
beration time measurement. It is controlled by start/stop
.