ABL800 FLEX Operator's Manual 3. Installation and setup
Analyzer settings, Continued
This program allows you to enter altitude above sea level, to adjust the built-in
barometer in accordance with the reference barometer in your laboratory and to
enter the ambient temperature required for the Crea reagents.
Environment
Setup
To enter the altitude at which your analyzer is placed (this is generally used for
analyzers at particularly high altitudes), do the following:
Step Action
1.
Touch the "Altitude above sea level" box to activate.
2.
Type in the height above sea level in meters, using the keypad.
Confirm with Enter.
At high altitudes, the difference between pCO
2
values in blood and in the QC
solutions is very small due to the high buffer capacity of blood and the QC
solutions, and is considered to be negligible. However, the aqueous QC solutions
have a different capacity than blood to take up oxygen, and correcting for different
pO
2
QC values at high altitudes is imperative as deviations from the respective
values at sea level are significant. To correct for the different pO
2
values, the QC
control ranges are modified according to the altitude. For detailed information,
please refer to the Quality Control Systems Reference Manual, chapter 4.
NOTICE: To make altitude corrections operative for the installed QC solutions,
re-enter the QC solutions in their slots and re-scan their barcodes.
To adjust the internal barometer, do the following:
Step Action
1.
Touch the "Adjust to:" in the "Barometer values" box to activate.
2.
Key in the desired pressure value on the keypad and confirm with
Enter. The value will be shown in the "Measured adjusted" box.
Maximum accepted correction is ± 19 mmHg (i.e. the difference
between the "Measured unadjusted" and "Measured adjusted"
settings).
Continued on next page
3-63
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