Braun Omnitest 3 Manual page 24

Using Control Solution
Apply Control Solution
Shake the control solution vial gently. Remove the cap. Squeeze
the vial, discard the first drop, and wipe off the dispenser tip
with a clean tissue to ensure an accurate result.
Squeeze the vial again to get a drop. Apply a drop of control
solution on a clean and none absorbing base. Guide the tip of
the test strip toward the drop until it is drawn up by the test
strip.
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