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Quality Control Testing
9.2 QC Testing
To perform a quality control measurement go to the Measurement»QC screen.
The color coding of the QC measurement buttons is the following:
A. QC lockout is disabled:
– grey: not measured,
– green: valid measurement was performed while in the QC Meas menu
– red: invalid measurement was performed while in the QC Meas menu
B. QC lockout is enabled:
– grey: not measured,
– green: valid measurement was performed within the time limit
– red: invalid measurement was performed within the time limit
You can start either with a negative or with a positive control. Apply the control
to the strip according to the instructions of the control solutions and the Combi-
Screen Plus test strips.
We recommend using CombiScreen Control PN which is available from
Analyticon Biotechnologies AG. Alternatively the controls from Quantimetrix
Inc. can be used to carry out the QC-Check. Controls of other manufactur-
ers may provide abnormal results due to non-specific colorations of the test
pads.
Place the strip on the tray and press
• “…Solution1”fornegativecontrol,
• “…Solution2”forpositivecontrol,
• or“…Solution3”incaseofLevel3forhighpositivecontrol,
depending on the control you are currently testing.
If the QC LOT and its limits were already set at the QC settings, the analyzer
offers the QC LOT code. Press the
Next button.
The QC LOT code can be modified here as well. If a new LOT code is given, its
acceptance limits have to be set as well, so the limits table will appear on the
next screen.
After measurement, the QC result is displayed with the result of the evaluation.
• IftheQCmeasurementissuccessful,PASSEDtextisdisplayedaftertheQC
result Id. Returning back to the main QC screen, the measured solution’s but-
ton background is changed to green.
• IftheQCmeasurementhasfailed,redFAILEDtextisdisplayedaftertheQC
result Id. Returning back to the main QC screen, the measured solution’s but-
ton background is changed to red.
Repeat the same procedure with the other solution(s).
After all required solution levels have been successfully measured (all
“… Solution…” buttons are green), the analyzer is released until the lockout time
is reached and a popup window appears with the modified lockout time.