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Testing blood glucose
Symbols before, during or after a blood glucose test
The following symbols can appear on the display before, during or after a test. For further information,
please refer to the “Symbols, problems and error messages” chapter (see page 52).
Symbol Meaning
The battery is almost empty.
The temperature during the test was outside the permitted range of +8 to
+42°C.
Instead of a test result: The test result is lower than 10 mg/dL (0.6 mmol/L).
Instead of a test result: The test result is higher than 600 mg/dL
(33.3 mmol/L).
The test strips are past their use by date.
W
The display may indicate that your blood glucose is very low (possibly a severe hypoglycaemia).
The display may indicate that your blood glucose is very high (possibly a severe hyperglycaemia).
If the display or reflects the way you feel, follow the instructions given by your healthcare
professional immediately. If the display does not reflect the way you feel, perform a control test. Repeat
the blood glucose test afterwards. If the new test result still does not reflect the way you feel, please
contact your healthcare professional.
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