According to the , you must run two levels of control plasma (normal and abnormal) every 8 hours of operation or with each new reagent lot.

: Manually pipette the plasma sample and the magnetic ball into a cuvette. Incubation

: A small magnetic ball is placed in a cuvette containing the plasma sample. Electromagnetic Field

The manual provides a 10-step checklist:

Disclaimer: This article is for informational purposes only. Always refer to the official Diagnostica Stago START 4 manual provided with your instrument for the most current and authoritative instructions. Product specifications and protocols may change with new firmware or reagent lots.