Lifescan OneTouch SS Xpress Instructions For Use Manual page 51

Testing a Quality Control Solution
Good Laboratory Practice principles suggest that external
controls must be run whenever the laboratory director has any
question about the test system integrity or operator technique.
This section describes how to run QC (Quality Control),
Linearity Solution, Proficiency Solution, and blood samples.
Testing a Quality Control Solution
1. Insert a test strip into the meter. Verify that all segments
of the screen display. If the display is incomplete, discon-
tinue use for diagnostic testing. Then
a flashing blood drop will display.
NOTE: If strip is removed before
the test starts or is not
used for over 2 minutes,
the screen will go blank.
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