Siemens Gigaset S790 User Manual page 15

First steps
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.
14
¤
Charge the handset for 8.5 hours in the base/
charger.
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8.5 hrs
Then remove the handset
from the base/charger and
do not replace it until the
batteries are fully dis-
charged.