Noise curves – NTi Audio XL2 Sound Level Meter User Manual
Page 110

110
Noise Curves
3
Y-Scale setting
Auto-Scroll
•
Zoom:
•
Select the Y-Axis with the rotary wheel
-
and confirm
with enter .
Select the zoom factor between
-
10, 5, 2.5 dB/div and
confirm with enter .
4
Noise Measurement Result
Real-time spectrum in 1/1 octave band resolution.
5
Noise Floor
The grey area shows the noise floor of the connected NTi
Audio measurement microphone (provided by the electron-
ic data sheet) in combination with the XL2 Analyzer.
6
X-Scale
X-Scale from 16 Hz to 8 kHz.
7
Live View
Select the LiveView with the rotary wheel to get an
overview of the current noise level. Alternatively press the
limit button .
The XL2 measures the noise curve after pressing the start
button
. This will provide the noise rating measurement
in accordance with all standards.
8
Run Indication
The run indication shows the measurement status running,
paused or stopped. Various measurement settings are
locked during ongoing measurements, such as the preset
measurement time.