7.3 Changing the battery
► Danger of poisoning and
suffocation!
Children could swallow batteries.
Keep batteries out of reach of
children.
► Do not throw batteries into fire.
► Only insert into the O² Patch bat-
teries in compliance with the speci-
fications listed in the "Technical
Data" section
► Do not attempt to recharge the bat-
teries!
Change the battery as described in the
"Inserting the battery" section.
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8. In case problems occur
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