Lifescan SureStep Pro Operator's Manual page 88

Special Tests
Select In-Service Mode from
2
the Special Tests menu.
Follow the instructions in Chapter 2, Quality
3
Control Test, beginning with step 4. Use the
SureStepPro High, Low, and Normal Glucose
Control Solutions.
The QC warning or lockout mode does not
affect tests performed in the In-Service mode.
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