Safety Instructions; Intended Use - RADEMACHER DuoFern Installation And Commissioning Manual

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7. Safety instructions

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.
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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.
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Other radio systems that transmit on the same
frequency can cause transmission problems.
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