Manual

12
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 What to do
No dial tone • 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.
Adjustment to your
telephone is not possible
• Your telephone does not meet
standard requirements.
Please contact your dealer.
The other party cannot
hear you
• Make sure that button mic.
mute
 is in ”up” position.
UI_765.book Seite 12 Donnerstag, 19. Februar 2009 6:03 18