A-6 824 Reference Manual 9/12/00
Variable Name Location
a
Settings
OverAll Lint or TWA (Lint =
Integrated Level)
SLM-a, SLM-b, DOSE-a (TWA)
Data Report: Overall
IO Command: R9
Overall Runtime: R5
Title Text: R10
#48, Overall Exchange Rate
#49, Overall Threshold
Overall TWA is reset only by a RES-ALL key or the S1,1 IO Command.
Current Lint or TWA
SLM-a, SLM-b, DOSE-a (SLM win-
dow #3)
Data Report: Current
IO Command: R11
Current Runtime: R7
Title Text: R12
#45, Current Exchange Rate
#46, Current Threshold
Current TWA is reset by the RESET key or the M7 IO Command.
Overall Leq
NOISE-a (LEQ)
Data Report: Overall L
eq
IO Com-
mand: R57
Overall Runtime: R5
Always 3dB Exchange Rate
No Threshold
Overall Leq is reset only by a RES-ALL key or the S1,1 IO Command.
Daily Leq
NOISE-a (not displayed on LCD)
Data Report: Daily Leq
IO Command: R58
Daily Runtime: unavailable
Always 3dB Exchange Rate
No Threshold
Reset when a new day begins or the RES-ALL key or the S1,1 IO Command.
Hourly Leq
NOISE-a (not displayed on LCD)
See Daily History HNL
IO Command: R59
Daily Runtime: unavailable
Always 3dB Exchange Rate
No Threshold
Reset at the end of the current hour or a RES-ALL.
Exceedance History TWA
EXCD-a (EXCD-c)
Exceedance Report
IO Command: E3
Event Duration: E2
#67, EXCD Exchange Rate
#61, RMS Excd Level 1
Exceedance Leq
NOISE-b (LDN-b)
Data Report: Excd Leq
IO Command: R68
Total Excd Time: R69
#67, EXCD Exchange Rate
#61, RMS Excd Level 1
Reset by RES-ALL key or S1,1 IO Command. Includes only qualified Exceedances for which an EXCD record is
stored in the EXCD history.
Background Leq
NOISE-b (LDN-b)
Data Report: BkGnd Leq
IO Command: R70
Background Time: R156
#67, EXCD Exchange Rate
Reset by RES-ALL key or S1,1 IO Command. This value is the Overall Leq less Exceedance Leq. It will be incor-
rect if setting 67 is not set to 3dB.
Interval Leq
INTV-a (INTV-c)
INTV Report
IO Command: I3
Interval Duration: I2
#73, INTV Exchange Rate
#74, INTV Threshold
#75, INTV Period (hh:mm)
Logged into interval history record at end of measurement interval (can be programmed from 1 second to 99 hours
59 minutes).
History Leq
History Report (HIST)
IO Command: H1
Time as set by #83 & 84
Always 3dB Exchange Rate
No Threshold
#83, History Period
#84, History Period Units
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