2
TESTED ACCORDING TO EN 352-1 : 2003
Frequency, Hz
*
D1
125
250
500
1000
2000
4000
8000 SNR
Mean Attenuation, dB
*
D2
x
x
x
x
x
x
x
x
Standard Deviation, dB
*
D3
x
x
x
x
x
x
x
Mean-minus standard deviation, dB *
D4
x
x
x
x
x
x
x
H = x
M = x
L = x
Headband Force: Small = 10.1N, Medium = 11.0N, Large = 9.9N
*D5
*C9
*C10
*C4
*C2
*C7
*C1
*C5
*C3
*C8
*C6
(C) Operating the headset – Headset controls
D – Test results and technical data
Criterion levels
*D6
H=107 dBA
M=106 dBA
L=106 dBA
*D7
*D8
60
65
70
75
80
85
90
Internal Level dB(
A
)
External Level dB(A)
50 55 60 65 70 75 80 85 90 95 100 105 110
L–Noise
M–Noise
H–Noise
