Gigaset A510IP User Manual page 17

Initial charging and discharging of the batteries
The correct charge level can only be displayed if the batteries are first fully charged
and discharged.
Please note
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The handset is pre-registered with the base. If you have purchased a model
with multiple handsets, all handsets will already be registered with the
base. You do not need to register the handsets again. However, if a handset
is not registered with the base (Register handset flashes on the display), reg-
ister the handset manually
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After the first battery charge and discharge, you may place your handset in
the charger after every call.
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Always repeat the charging and discharging procedure if you remove the
batteries from the handset and reinsert them.
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The batteries may warm up during charging. This is not dangerous.
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After a while, the charge capacity of the batteries will decrease for technical
reasons.
6.5h
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Charge the handset for 6.5 hours in
the charger.
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Then remove the handset from the
charger and do not replace it until the
batteries are fully discharged.
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page 96.
First steps
15