42
Checking your meter
7
Sources of inaccurate control tests
If the result of the control test is outside the specified concentration range, repeat the control test. If the
result of the second test is also outside the concentration range, check the following points.
If your responses to the questions below are dierent from those given, make the respective corrections
when you perform the next test. If you have taken all of these points into account and the test results are
still outside the specified concentration range, contact your customer support and service centre.
Did you take the test strip from the test strip container which the code chip in the meter
belongs to?
yes
Did you perform the control test according to the User’s Manual? yes
Did you use a used test strip? no
Did you wipe the tip of the dropper before you applied control solution to the test strip? yes
Did you apply a suspended drop of control solution? yes
Did you apply only one drop of control solution? yes
Were there air bubbles in the drop? no
Did you apply control solution after the beep sounded and the blood drop symbol began
flashing on the display?
yes
Was the green field completely covered with control solution? yes
Did you bend or move the test strip before or during the test? no
Did you perform the test within the correct temperature range (8–42°C)? yes
Did you compare the test result with the concentration range that corresponds to the control
solution you used?
yes
Is the concentration table on the test strip container from which you removed the test strip? yes