ADE WS 1831 Mode D'emploi page 26

‚ When inserting and changing batteries, pay
attention to the correct polarity (+/-).
‚ Do not subject the battery to any extreme
conditions, by – for example – storing it on
radiators or under direct sunlight. Increased
risk of leakage!
‚ 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.
26
Digital thermometer/hygrometer WS 1831