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