FRESNL DE ENIT
Putting the UI 770 into operation
UI 770 | 9
* The time-weighted average value is based on a breakdown
of a typical working day and measured as the sound pressure
level with a B&K HATS (Head And Torso Simulator).
** EU Directive 2003/10/EC on the minimum health and
safety requirements regarding the exposure of workers to the
risks arising from physical agents (noise).
When is the UI 770 ready for operation?
The UI 770 is ready for operation as soon as:
• the battery is inserted
• it is connected and adjusted to your telephone
If you disconnect the UI 770 from the telephone, it is immediately
put out of operation.
The UI 770 universal interface is a special version featuring
a reduced output level. Even with the volume of the UI 770
set to the maximum, the signal transmitted by the connected
Sennheiser Communications headset will never exceed the
maximum of 85 dB(A) per day as a time-weighted average*
value, which is in compliance with the EU Noise Directive**.
UI_770_EN.fm Seite 9 Freitag, 15. Januar 2016 11:11 11
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