Manual

34
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 L
AF
(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 ----.