ADE CK 2008 Operating Manual page 27

‚ Clean the battery and device contacts,
as needed, before inserting the battery.
‚ 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.
‚ Some varnishes or furniture care products
may possibly attack and soften the material
of the slip-resistant foot. To avoid unwanted
traces, place a non-slip pad under the
product, if necessary.
27