User manual

38
Sound Level Meter
Start Measurement
The XL2 is ready to measure the sound levels L•
AF
, L
Aeq
and
L
AFmax
.
Press start •
.
The run indication switches to running . The integrated
sound pressure level over time L
Aeq
and the maximum lev-
el in the measurement period L
AFmax
are displayed. The
parameter RUN, LOG (logging is enabled) or AUD (audio
recording is configured) flashes in the memory menu.
Stop Measurement and Data Saving
Press stop • .
The XL2 stores the broadband sound pressure levels and
the real-time analyzer results simultaneously.
Press enter • to confirm. The measurement data is stored
on the SD Card in ASCII format.
 The sound pressure level measurement is completed.