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Percentile level (L
①Frequency
weighting key
(A･C, Z)
⑤Measuring
time key
②Display
mode key
＜ ＜ ＜ ＜ Parameter setting ＞ ＞ ＞ ＞
1）The key operation is similar to the measurement of A-weighted sound pressure level (L
2） To display the value Lmax, keep the "LA05 ,LA10 ,LA50 ,LA90 ,LA95" key ON in
advance in the <View Mode> 3/3 screen.
①Frequency weighting key ：A
②Display mode key
③Time weighting key
④Range key
【Method of selecting [Range] Key】
Press [Range] key, and choose by cursor keys▲▼, and press [Range] key
again to register.
⑤Measurement time key
＜ ＜ ＜ ＜ Display ＞ ＞ ＞ ＞
Measuring time
Rec:Blinks during
recording
Stp: Halting state
) measurement
AN
(To display the Percentile level (L
：L
N
Measurement.）
：Fast or Slow
：Select a range where the bar graph indicates
approximately 2/3 of the full scale.
：1s、3s、5s、10s，1m，5m，10m，15m、30m，1h、8h、24ｈ
and＊＊＊(input to the [Start/Stop] key)
１０
１０ｍ ｍ ｍ ｍ ０００
１０
１０
０００
０００
０００ｈ ｈ ｈ ｈ ００
００
００ｍ ｍ ｍ ｍ ０５
００
63.5 dB
63.5 dB
63.5 dB
63.5 dB
40 40 40 40
Stp
Stp
A A A A
Fast L05
Fast
Stp
Stp
Fast
Fast
2) [Menu] key
③Time weighting
key
(F:Fast, S:Slow,
Imp: I mpulse)
④[Range] key
０５
０５
０５ｓ ｓ ｓ ｓ
130
130
130
130
Display mode
L05
L05
L05
L05 ,L10 ,L50 ,L90 ,L95
Time weighting：Fast, Slow
Frequency weighting ：A
35
＜ ＜ ＜ ＜ Menu＞ ＞ ＞ ＞
<View Mode>
<View Mode>
<View Mode>
<View Mode>
Lp
Lp
Lp
Lp
:INST
:INST
:INST
:INST
(A)View
(A)View
(A)View
(A)View
LA05
LA05 ： ： ： ： ON
LA05
LA05
LAeq ：OFF
LA10
LA10 ： ： ： ： ON
LA10
LA10
LAE ：OFF LA50
LA50 ： ： ： ： ON
LA50
LA50
LAmin：OFF
LA90 ： ： ： ： ON
LA90
LA90
LA90
LAmax：OFF LA95
LA95
LA95 ： ： ： ： ON
LA95
)
N
NOTE
The L
computation is made
N
at sampling rate 100msec,
which tends to influence the
acculacy in the condition of
measureing time less than
10sec.
3/3
3/3
3/3
3/3
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
)
Aeq
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