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Using the Calibration Programs
mentioned in the formula above) is 8.4 and the current whole blood calibration factor is 98.9
％, analyze this calibrator in the whole blood mode for ten times （n=10）and the results are
8.1, 8.0, 8.1, 8.1, 8.3, 8.3, 8.2, 8.0, 8.1, 8.3, CV=1.5%, Mean=8.16。
Since the calculated CV meets the requirement of Table 9-1, the mean value, 8.12, is valid
and the new calibration factor can be calculated as follows:
The calculated new calibration factor should be within 75％ to 125％. If not, try to find out the
reason and if necessary, call Mindray customer service department or your distributor for
assistance.
If the reproducibility of the calibrated parameter does not meet the requirements of Table 9-1,
you must try to find out the reason and re-run the calibrator after you have solved the problem.
If necessary, contact Mindray customer service department or your local distributor for
assistance.
Entering the manually calculated factors
1. ENTER the administrator password as introduced in Chapter 5.2.1;
2. Press [F2] to activate the edit boxes as Figure 9-22 shows
Figure 9-22 Edit boxes activated
3. ENTER the calculated calibration factor into the corresponding boxes. To correct an
erroneous entry, DELETE the wrong digit and enter the correct digit.
Verifying new calibration factors
Press [F2] to exit editing.
If the entered number is out of the calibration range, a dialog box will pop up to remind you
the entered number is invalid, as Figure 9-23 shows.
9-18
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