Accu-Chek Aviva Owner's Booklet page 24

OR
22
4. Select the control solution you
want to test. You will enter the
level later in the test.
5. Place the meter on a flat
surface, like a table.
6. Remove the control bottle cap
and wipe the tip of the bottle
with a tissue.
7. Squeeze the bottle until a tiny
drop forms at the tip. Touch the
drop to the front.edge of the
yellow window of the test strip.
Do.not.put.control.solution.
on.top.of.the.test.strip. When
you see flash, you have
enough control solution in the
test strip. Wipe the tip of the
bottle with a tissue then cap
the bottle tightly.