NTi Audio XL2 Sound Level Meter - Manual (Page 34)

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Sound Level Meter
Sound Level Meter - Getting Started
Test Preparations
The XL2 reads the electronic data sheet of any connected
ASD microphones provided by NTi Audio and switches the 48V
phantom power automatically on as follows:
Connect the measurement microphone to the XL2. •
Switch on the XL2 • .

The 48V phantom power indication in the upper menu bar
changes to ASD. The XL2 is ready for acoustic measure-
ments.
Position the XL2 at the measurement location using a micro- •
phone stand or a tripod.
Select the
• SLMeter function in the measurement menu and
toggle with page to the numeric result page .
All wideband and RTA levels are measured and
logged simultaneously. You select which sound
levels should be displayed.
Select Displayed Test Result
This example describes the setting of the commonly-used ac-
tual sound pressure level LAF (frequency weighting A, time
weighting F).
Select the first parameter setting with the rotary wheel • .
Confirm with enter • .
Press start to measure and display the
sound levels results indicated with ----.