Gigaset S790 Manual page 14

First battery charge and discharge
The correct charge level can only be displayed if the batteries are first fully charged
and discharged.
Please note
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After the first battery charge and discharge, you may replace your handset in
the base/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.
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Charge the handset for 8.5 hours in the base/
charger.
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8.5 hrs
First steps
Then remove the handset
from the base/charger and
do not replace it until the
batteries are fully dis-
charged.
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