Clean the battery and device contacts, as needed,
before inserting the battery.
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 item. Only
allow repairs to be carried out at a specialist workshop.
Repairs carried out incorrectly can considerably
endanger the user.
− Pull the protective film off the display.
− Insert the foot into the two openings at
Thermometer/Hygrometer WS 1823
the bottom of the base station.
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