Check, - Beckman Coulter LH 780 Instructions Manual

CALIBRATION
REVIEWING CARRYOVER RESULTS
12. Place the cassette in the loading bay. The instrument begins processing the cassette
automatically.
13. Verify the carryover results.
14. Enable the blood detector.
15. On the Command Center, select
continuing to either Reproducibility or Calibration.
Carryover Formula
The LH 700 Series software calculates the percent carryover by using:
(1st diluent - 3rd diluent) / 2nd sample x 100 = % carryover
1.5 REVIEWING CARRYOVER RESULTS
Note: To perform this task, you must log on with a user name that was set up as an Advanced
Operator or Lab Administrator. If you need to access this function, contact your laboratory
administrator.
1. Select
2. Select
3. Verify that the message CARRYOVER ACCEPTABLE appears on the Carryover window. If
Carryover is unacceptable, the unacceptable values appear flagged. Review the results
table and the limits table.
Note: If negative carryover values persist, and the third diluent is higher than the first
two, check background. If the problem persists, an instrument problem may exist, call
your Beckman Coulter Representative.
4. Select
1.6 CALIBRATING CBC PARAMETERS WITH S-CAL
Summary
A. Ensure the apertures are clean.
B. Ensure the instrument is functioning properly.
C. Prepare the instrument for calibration.
D. Set up the CBC calibration information at the Workstation.
E. Run S-CAL calibrator.
F . Review results on the Calibration window.
G. Adjust parameters as needed.
H. On the Command Center, select
1-4
AUTO ANALYSIS
on the Command Center to display the Quality Assurance application.
to display the Carryover window.
to print the carryover results for your logbook.
AUTO ANALYSIS
as the process type if you are not
®
CALIBRATOR
as the process type.
PN 773023AC