IRIS Net TPI-8 Mode D'emploi page 21

4. Remove the Lithium battery by pushing the ejection clip
outward.
5. Put a fresh Lithium battery into the battery base.
6. Mind the battery's polarity (anode pointing to the top).
7. Replacing the Lithium battery is only permissible when using a
battery of the same type.
8. Close the unit.
Do not dispose the exhausted lithium battery in the domestic refuse. Dispose
the battery according to local regulations concerning the removal of special
refuse, (e.g. bring exhausted batteries to particular collecting points).
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TPI-8 / TPI-12 Touch Panel
Owner's manual
21