9
EN
i
The use of defective devices and improper use can lead
to property damage.
◆
Never use defective or damaged devices.
◆
Check the DuoFern Window/Door Contact for damage.
◆
Consult our customer service department in the event
that you discover damage, see page 32.
7. Safety instructions
7.1 Intended use
Use the DuoFern Window/Door Contact solely to monitor
windows and doors.
Operating conditions
◆
The installation and operation of radio systems is only
permitted for systems and devices where a malfunction
in the transmitter or receiver would not cause a danger to
persons or property or where this risk is already covered
by other safety equipment.
i
i
Other radio systems that transmit on the same
frequency can cause transmission problems.
Summary of Contents for DuoFern
Page 31: ...31 EN...
