i
8. Inserting / changing the battery
The use of incorrect batteries can damage the DuoFern
Window/Door Contact.
◆ Only use type CR2032 batteries.
◆ Pay attention to the correct polarity when inserting the
battery, see page 11.
Signals in the case of an empty battery
◆
◆ In the
HomePilot
10
1 x
a short audible signal when opening/ tilting
the window or when opening the door.
A maximum of twice a day.
The charge level is transmitted once a
®
day to the HomePilot
there.
and displayed
®
EN