Troubleshooting The Analyzer; Alignments And Adjustments; Adjusting The Hgb Baseline Value - Siemens ADVIA 2120 Operator's Manual

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Alignments and Adjustments

Adjusting the Hgb Baseline Value

When to adjust the Hgb colorimeter-lamp baseline value
•
After replacing the lamp.
•
If the baseline value is >4.2 volts.
•
If indicated during troubleshooting.
To adjust the Hgb baseline value
1. At the
2. Select
3. Pop out the small white plug on the colorimeter to access the potentiometer
adjustment screw on the Hgb Power Supply Preamp PCB.
Potentiometer (1) on the Hgb Power Supply Preamp Board
4. Select
small screwdriver to turn the adjustment screw so that the
4.1
To increase the value, turn the screw clockwise.
To decrease the value, turn the screw counterclockwise.
5. Select
5-2
menu, select the
Procedures
.
Hgb Baseline
Start Cycle . As the analyzer is checking the baseline value, use a
.
and replace the plastic plug.
Exit
tab.
Adjust Lamp/Temp

Troubleshooting the Analyzer

value is
Current