Daily History Variables - (D1-D102 - Larson Davis 820 Technical Reference Manual

Sound level meter
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Daily History Variables - (D1-D102)

Brackets in the syntax indicate optional characters and oper-
ands.
Syntax
D[aily]var_no[,hour]
Example: D5, 5
D 1
D 2
D 3
D 4
D 5,hn
D 6,hn
D 7
D 8
D 9
D 10
D 11
D 12
D 13
D 14
D 15
D 16
D 17
D 18,n
D 19
D 101
D 102
D 103
B-28
Response
daily_var
hourly noise level for hour 5 to 5:59:59 a.m.
Date
Daily Leq
Daily LDN
Daily CNEL
HNL
HNL partial hour indicator
Daily Lmin
Daily Lmax
Daily Lpeak
Daily Luwpk
Daily Run Time
Daily Avg Wind Speed
Daily Gust
Daily Gust Direction
Daily Gust Time
Daily Wind Excd Count
Daily Windy Percentage
Daily Direction% (n=1-8)
Daily Ln Table in hexadecimal
Daily Variables 1-4, 7-11
Daily HNLs 5(0-23),6(0-23)
Daily Wind 12-17, 18(1-8)
ddd
nnn.n dB
nnn.n dB
nnn.n dB
(for hour 0-23)
c
nnn.n dB
nnn.n dB
nnn.n dB
nnn.n dB
hh:mm:ss | mm:ss.ss
nnn.n or nnnnn
nnn.n or nnnnn
ccc
hh:mm:ss
nnnnn
nnn
cccnnn
hhhhhh, hhhhhh,...hhhhhh <ih>
Macro
Macro
Macro
Model 820 Technical Reference Manual
ddmmmyyyy
nnn.n dB
unused
unused
unused
unused
unused
unused
unused
unused

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