L–000867(A) 4–7
4 – Operation
If there is no tube in the rotor or if the cap is not present, the message, “Sample or Cap Not
Present” appears. To proceed, place the cap on the tube or place the tube in the instrument
and press the “Star” button to resume testing.
The system can detect if a sample has already been tested. If this occurs, the message “Sample
already processed” appears on the LCD. The readout prompts you to remove the sample tube
and unlocks the door to enable removal. A previously processed sample can not be processed
or analyzed a second time.
The instrument mixes the tube contents for as long as 30 seconds using a low speed spin. The
fl oat descends from the top of the tube toward the closure end of the tube. This mixes the
blood and reagents in the tube. A countdown displays the time remaining in the cycle.
After mixing is complete, the centrifuge accelerates to high speed to separate and pack the cell
populations into distinct cell bands. A countdown displays the time remaining in the cycle.
Finally, a series of readings is taken. The messages “Reading Cycle In Progress,” “Scanning QBC
Sample,” and “Analyzing QBC Scan Data” are displayed while tests are being performed.
It is normal for clicking sounds to be heard during the testing process.
Printing of results
When the test is complete, the results are automatically displayed and printed.
NOTE
DO NOT OPEN THE INSTRUMENT DOOR UNTIL THE RESULTS ARE REVIEWED
AND PRINTED. Test results are cleared from the display when the instrument
door is opened.
You must manually keep track of link between the test results and the patient. A space is
provided on the printout for writing the patient name or ID number. In addition, the date and
time and the electronic QC status (Pass, Failed) are printed.
Electronic QC values are only printed
every 8 hours, and at startup.
The system only prints the actual measured or calculated results, with no interpretations or
normal values. The following hematology results are reported:
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