Sennheiser UI 760 Instruction Manual page 16

UI_760.book Seite 12 Freitag, 30. Januar 2009 11:52 11
Cleaning the UI 760
Only use a soft – and, if necessary, slightly damp – cloth for
cleaning the UI 760. Do not use any solvents or cleansing
agents as these can damage the varnish of the UI 760.
If problems occur...
Problem
No dial tone
Adjustment to your tele-
phone 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 760 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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