ADE WS 1908 Bedienungsanleitung Seite 35

‚ Clean the battery and device contacts,
as needed, before inserting the battery.
‚ Only use batteries of the same type.
Do not use different types or used and new
batteries together.
‚ Do not make any changes to the product. Only
allow repairs to be carried out by a specialist
workshop. Repairs carried out improperly can
considerably endanger the user.
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