User manual

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Further Information
Options
The System menu shows the installed options on the XL2.
The following options extend the measurement functions of
the XL2:
Extended Acoustic Pack
NTi Audio #: 600 000 339
The Extended Acoustic Pack offers the following additional fea-
tures for sound level- and acoustic measurements.
SLMeter/RTA function•
Recording of linear wav-files (24 bit, 48 kHz)
-
Percentiles for wide band and spectrum with flexible set-
-
ting from 0.1% to 99.9%
Sound Exposure Level L
-
AE
100 ms logging
-
RTA logging of Lmin and Lmax
-
Event-triggered audio and data recording
-
Time weighting: Impulse (LxI, LxIeq with x= A, C, Z)
-
True peak level in 1/1 and 1/3 octave resolution
-
Clock-impulse maximum level (TaktMax) and values as
-
specified in DIN 45645-1
Impulsiveness detection in accordance with BS4142:2014
-
and NordTest ACOU 112
FFT function•
High-resolution Zoom-FFT with selectable frequency
-
ranges and resolution up to 0.4 Hz in the range of 5 Hz to
20 kHz
Recording of linear wav-files (24 bit, 48 kHz)
-
RT60 function•
Reverberation time RT60 in 1/3 octave resolution
-
1/12 octave Spectral Analyzer•
Recording of linear wav-files (24 bit, 48 kHz)
-
Projector PRO Option
NTi Audio #: 600 000 439
The Projector PRO option enables the following two additional
functions to the Projector PRO software:
“XL View” for large screen dB level display•
“Sound Level Predictor” that indicates the headroom for the •
next few minutes during live sound mixing