Vers.: 20230710ENG
Page 45
8.3 How to calibrate
8.3.1 Preparing the analyzer
Do the following pre-calibration procedures before calibration.
Check and make sure enough reagents have been prepared for the calibration. You need to
re-start the calibration if the reagents run out during the process.
Check the background (for calibration right after startup) or blank count results. If the analyzer
alarm sounds for abnormal background results, see Chapter 11: Troubleshooting the analyzer
for solutions. See Appendix C: Specifications for background range.
8.3.2 Calibration with calibrator
1. Tap MENU > CALIBRATION > CALIBRATOR to enter the “Calibrator” screen.
2. Enter the lot number and the expiration date. The entered expiration date should be
either the expiration date printed on the labelling or the open-container expiration date,
whichever is earlier. The open-container expiration date is calculated as follows: the
date that container is opened + the open-container stability days.
3. Enter the targets into the “Target” fields. You can find the parameter targets on the
target sheet of the corresponding calibrator.
4. Prepare the calibrator as instructed by the calibrator's instructions for use.
5. Press the aspirate key to start calibration and aspirate calibration solution.
When the running is done, if there is a parameter whose calibration data is out of the
display range, then the nonnumeric parameter values "***" will be displayed in the list
and a dialogue box will pop up.
Touch YES to close the dialogue box, and the data will be deleted from the table without saving
automatically.
8.3.3 Verifying calibration factors
Verify the calibration factors after calibration.
Verify the calibration factors using any of the following methods:
• Run the calibration at least 3 times, and check if the results are within the allowed
range.
• Run the controls of high, normal, and low levels at least 3 times, and check if the results
are within the allowed range.
• Run at least 3 fresh blood samples from normal patients, each sample for at least 3
times, and check if the results are within the allowed range.
8.3.4 Calibration history (for administrator only)
Tap MENU > CALIBRATION > CALIBRATION HISTORY to enter the “Calibration History”
screen.
• Select a calibration record and tap DETAILS to view the detailed calibration
information.
• Tap GO TO to view the calibration history of a specified time period.
• Tap EXPORT to export the specified or all calibration records to a USB device.
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