5-6 824 Reference Manual 9/12/00
The output signals will vary based on which instrument type
is used. For LOG and ISM instruments, the following table
defines the output signals.
For SSA instruments, the following table defines the output
signals.
The DC output is generated digitally
from the SPL but is slower than the
SLOW or FAST detector response
with an exponential time constant of
approximately 2.25 seconds.
For the AUD instrument, AC-1 is on the tip and the DC out-
put is not used.
For the RTA instrument, the AC signal will be identical on
the tip and ring.
Logging SLM
The
Logging SLM (LOG)
instrument is ideal for applica-
tions requiring the automatic measurement and storage of
multiple parameters over an extended period as required for
environmental noise monitoring. The Logging SLM pro-
vides automatic logging of sound level parameters including
Interval data, L
n
statistics, noise event detection and event
time history records. Additionally, this mode provides a
dynamic range of 115 dB.
AC-1 AC-2 FLAT AC out FLAT AC out with 30dB gain
AC-1 DC FLAT AC out Weighted DC out
AC-2 DC FLAT AC out with 30 dB gain Weighted DC out
AC-2 AC-1 FLAT AC out with 30 dB gain FLAT AC out
AC-1 AC-2 FLAT AC out CWT AC out with 30dB gain
AC-1 DC FLAT AC out Weighted DC out
AC-2 DC CWT AC out Weighted DC out
AC-2 AC-1 CWT AC out FLAT AC out
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