Accu-Chek Compact Plus Manuel De L'utilisateur page 142

Wipe the measuring window and the area surrounding it with a
cotton swab lightly moistened with cold water or 70 % ethanol.
Remove any fluff or lint that may remain.
Allow areas you have wiped time to dry thoroughly.
Fold the drum compartment cover down and press it shut. There will
be an audible CLICK.
Perform a control test (see Chapter 7).
142
Cleaning the meter and lancing device