RADEMACHER DuoFern, Руководство по установке и пусконаладке

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8. Inserting / changing the battery
LED status messages after inserting a battery:
LED lights up green for 1 sec.: Battery is full
LED lights up blue for 1 sec.: Battery is no longer
completely full*
LED lights up red for 1 sec.: Battery is nearly empty
LED does not light up: Battery is completely empty
* It may be that new batteries are also not fully changed.
3.
Continue with the installation if it is the initial installation
or
Press the cover firmly onto the sensor part again
after changing a battery.
Information about the battery life
The battery life can be reduced due to the following factors:
◆
Use at very low and high temperatures.
◆
Frequent status changes (e.g. opening / closing a door).
◆
Number of logged-on DuoFern devices.
Recommendation:
◆
Do not install the DuoFern Window/Door Contact in the
window frame in unheated rooms, but on the inside of
the window frame.