Lehmannaudio Linear USB II Manual De Instrucciones página 20

38 Linear USB II
Service
EN
All service and repair works must be carried out by an authorised service techni-
cian. Service is required if the device has been damaged in any way, for instance
if
the power cord or mains plug have been damaged,
≠
liquid or some object has got into the unit,
≠
the device has been exposed to rain or moisture
≠
or if it does not function normally or after it has been dropped.
≠
Spare parts
Only such spare parts must be used exclusively for repair works which have been
specified and approved by the manufacturer.
CAUTION!
Headphones can produce volume levels which may be hazardous
to your health. So before you put on your headphones, always
check that the selected volume level is not too high.
Permissible exposure times depending on SPL (dBA)
Sound pressure Permissible
level
duration
(dBA)
(hours)
85
8
88 4
91 2
94
1
97 –
100 –
103 –
106
–
109 –
112 –
115 –
118 –
121 –
Calculations based on the German Lärm- und Vibrations-Arbeitsschutzverord-
nung (LärmVibrationsArbSchV) [Noise and Vibrations Occupational Safety and
Health Directive]
Linear USB II
Permissible Permissible
duration duration
(minutes) (seconds)
– –
– –
– –
– –
30 –
15 –
7,5 –
– 225
– 112
– 56
– 28
– 14
– 7
39
EN