User guide

13
OpenPhone 28 Installation
will turn slightly warm during charg-
ing. This is normal.
Charging Station (Standard)
Charging Station Plus
Charging the
Replacement Battery
If you have a Charging Station Plus
(accessory part) you can use it to
charge a replacement battery pack.
The replacement battery pack can be
charged simultaneously with the
handset.
■ Fold open the charging station
plus (1).
■ Place the replacement battery
correctly in the designated com-
partment (2).
■ The LED at the base of the charg-
ing station changes from green
to red and indicates that the re-
placement battery pack has
been inserted correctly and that
it is charging.
■ When the replacement battery
has been completely charged,
the charging procedure stops.
The LED turns back to green.
Charging Station Plus: Charging the
replacement battery
Recommendations for
Battery Usage
Do not throw the battery into a
fire, as there is risk of explosion.
To prevent injury or fire damage, do
not connect the contact points of
the batteries with other electrocon-
ductive components or short-circuit
them.
When a new battery is inserted, the
charging level is initially unknown to
1
2