13
If the problem persists, please contact your local
Sennheiser Communications agent for assistance. Never
repair or attempt to repair the units as this will invalidate
the warranty.
Problem
What to do
No connection to the PC
• Make sure that the cables are
connected correctly.
• Increase the volume on your
PC.
• Your PC and the UI 765 are
not compatibel.
Please contact your dealer.
Your voice can hardly be
heard
• Make sure that the headset
microphone is positioned at
the corner of your mouth.
• Make sure that the volume of
the headset microphone is
sufficient.
• Make sure that the UI 765 is
correctly adjusted to your
telephone.
The speaker volume varies
• Your telephone does not meet
standard requirements.
Please contact your dealer.
• The battery may be low.
Replace the battery.
UI_765.book Seite 13 Donnerstag, 19. Februar 2009 6:03 18
Summary of Contents for UI 765
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