Larson Davis 824 - LN Percentiles (Spectral); AC;DC Output

9/29/09 System 824 Virtual Instruments 6-5
377B41 microphone which has 44.1 mV/Pa sensitivity.
L
N
Percentiles (Spectral)
The System 824 L
N
Centiles feature provides a display
showing the six Ln values of one selected 1/3 octave filter.
It also displays spectra for the six Ln percentiles.
AC/DC Output
The AC/DC output on the 824 is through the 3.5mm stereo
connector at the bottom of the instrument. This is a 2-
channel output. A mono plug should NOT be used, it will
short the “ring” signal to ground.
DC Output
AC Output (Tip)
Ground (-)(Sleeve)
(+)(Ring)