NTi Audio XL2 Sound Level Meter - Manual (Page 40)

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Sound Level Meter
RTA Measurement - 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 tripod.
Select the
• SLMeter function in the measurement menu and
toggle with page to the real-time analyzer (RTA) page
.
All wideband and RTA levels are measured and
logged simultaneously. You select the sound
levels to be displayed.
RTA Configuration
The XL2 displays two different sound pressure levels at the
same time. You configure which test results to display; e.g.,
LZFmax and LZFlive.
Ensure no other measurement is going on. The run indication •
should display the stop symbol .
Select the • LZF value with the rotary wheel .
Confirm with enter • .