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Cleaning the UI 765
Only use a soft — and, if necessary, slightly damp —
cloth for cleaning the UI 765. Do not use any solvents or
cleansing agents as these can damage the varnish of the
UI 765.
If problems occur ...
Problem
No dial tone
Adjustment to your
telephone is not possible
The other party cannot
hear you
12
What to do
• Make sure that the button
is in "up" position.
• Make sure that the handset is
lifted.
• Make sure that the cables are
connected correctly.
• Make sure that the UI 765 is
correctly adjusted to your
telephone.
• Your telephone does not meet
standard requirements.
Please contact your dealer.
• Make sure that button mic.
µ
mute
is in "up" position.
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