Accu-Chek COMPACT PLUS User Manual page 86

The test strip has then drawn up enough blood, and test starts. The
hourglass symbol indicates that the meter is busy performing a test.
Testing is complete after approx. 5 seconds. The result is displayed and
the meter beeps (only when the beep tone is turned on). At the same
time the meter automatically saves the result to memory.
Wipe the puncture site with a clean, dry tissue.
We recommend covering the puncture site to keep dirt out.
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Testing blood glucose