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14. Maintenance and cleaning
The product requires no servicing from you apart from any necessary replacement
of the battery. Have the unit repaired only by an experienced technician otherwise
the unit's guarantee will expire.
Clean the surface of the keypad with a soft, clean, dry and clean cloth.
Do not use any cleaning agents with solvents. These can attack the plastic surface.
15. Disposal
a) General information
Please dispose of the device when it is no longer of use, according to
the current statutory requirements.
b) Batteries and rechargeable batteries
You as the end user are required by law (Battery Ordinance) to return all used
batteries/rechargeable batteries. Disposing of them in the household waste is
prohibited!
Contaminated batteries/rechargeable batteries are labelled with these
symbols to indicate that disposal in domestic waste is forbidden. The
symbols for dangerous heavy metal constituents are: Cd=Cadmium,
Hg=Mercury, Pb=Lead (the description is written on the battery/
rechargeable batteries e.g. under the dustbin symbols).
You can return your used batteries/rechargeable batteries free of
charge at the official collection points of your community, in our stores,
or everywhere else where batteries or rechargeable batteries are
sold.
You thus fulfil your statutory obligations and contribute to the protection of the
environment.
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