Manual

7
When is the UI 765 ready for operation?
The UI 765 is ready for operation as soon as:
• it is connected to your telephone
• the battery is inserted
• it is adjusted to your telephone
If you disconnect the UI 765 from the telephone, it is
immediately put out of operation.
Setting the volume of the headset microphone
With the UI 765, you can set the volume of the headset
microphone: a soft voice is slightly amplified and a loud
voice is attenuated. The trimmer  is located at the box
bottom side.
왘 Turn the trimmer  to the position marked “1”.
왘 Make a call and speak into the microphone with a
normal voice. Slowly turn the trimmer until the other
party can hear you loudly and clearly.
Adjusting the speaker volume output to comply with
the EU Directive 2003/10/EC
The UI 765 allows you to limit the speaker volume output
in the headset to comply with EU Directive 2003/10/EC.
왘 Move the switch  from position “square” to “tri-
angle” to reduce the speaker volume output according
to EU Directive 2003/10/EC noise at work.
UI_765.book Seite 7 Donnerstag, 19. Februar 2009 6:03 18