Oregon Scientific SE102 Manuel D'utilisation page 22

To replace the chest belt battery:
1. Using a coin, twist the battery door counter-clockwise
until it clicks out of place.
2. Replace the old battery and close the battery
door by twisting it clockwise until it is firmly in place.
IMPORTANT
• Non-rechargeable and rechargeable batteries must
be disposed of properly. For this purpose, special
containers are provided for non-rechargeable and
rechargeable battery disposal at communal collection
centers.
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