33
9.2.2 c)
Description of the frequency
weightings
5.1.10
5.4.12
Refer to 5.1.10
Refer to 5.4.12
9.2.2 d)
Description of the time weight-
ings
5.7.1
Refer to 5.7.1
9.2.2 e)
Identification of the level ranges
(A-weighted @ 1 kHz)
5.1.12
Refer to 5.1.12
9.2.2 f)
Operation of the level range
control
5.1.12
Refer to 5.1.12
9.2.2 g)
Description of the display and
update rates
5.15.2-3-
4-5
Refer to 5.15.2-3-4-5
9.2.2 h)
Total range of A- weighted SPL
(@ 1 kHz)
5.1.12
Refer to 5.1.12
9.2.2 i)
Nominal range of
L
Cpeak
at for
each level range
5.12.1
Refer to 5.12.1
9.2.2 j)
Computer software to operate
the SLM
5.1.8
Refer to 5.1.8
9.2.2 k)
Design goals and tolerances
for quantities which are not in
the standard (T-weight 10 ms,
L
AIeq
)
N/A
9.2.3
Power supply
9.2.3 a)
Battery types & battery life
5.20.3
Refer to 5.20.3
9.2.3 b)
Description of the function of
battery check
Batteries: Dis-
play
9.2.3 c)
Operation from an external
power supply
5.20.4
Refer to 5.20.4
9.2.3 d)
Public power supply voltage
5.20.5
Refer to 5.20.5
9.2.4
Adjustment to indicated levels
9.2.4 a)
Model of sound calibrator(s)
5.2.1
Refer to 5.2.1
9.2.4 b)
Calibration check frequency
1 kHz (NC-74)
250 Hz (NC-72A)
9.2.4 c)
Procedure for calibration & ad-
justment with sound calibrator
5.2.3
Refer to 5.2.3
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