ADE WS 1917 Instrucciones De Operación página 52

‚ Always exchange all of the batteries in the base
station or in the outdoor sensor at the same time.
‚ Only insert batteries of the same type; do not use different
types or used and new batteries with each other.
‚ Do not make any modifications to the device. Only
allow repairs to be carried out at a specialist workshop
and pay attention to the guarantee conditions.
‚ Do not under any circumstances use hard, scratching, or
abrasive cleaning agents or the like in order to clean the
weather station. Doing so may scratch the surfaces.
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WS 1917 weather station