Accu-Chek Compact Plus Manuel De L'utilisateur page 134

The test strip draws up the control solution through the black notch.
Move the test strip away from the control solution as soon as the
hourglass symbol
beep tone is turned on).
The test strip has then drawn up enough control solution, and testing
starts. The hourglass symbol
performing a test.
Testing is complete after approx. 5 seconds. The result is displayed and
the meter beeps (provided the beep tone is turned on). You must flag the
result of a control test as a control test with the bottle symbol. Only then
can you later distinguish it from results of blood glucose tests.
Furthermore, control test results which are not marked as control tests
are then integrated into the calculation of averages, and into the highest
and lowest blood glucose results.
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is displayed and the meter beeps (provided the
indicates that the meter is busy
Checking your meter