
Quality Management Option
X
TRA
Operator’s Manual
20077/021 US
12-3
If calibration is otherwise not successful, the system displays the message: “HCT indicator calibration
failed”. To troubleshoot, refer to
, specifically the description of “HCT
indicator calibration failed” on page 14-5.
In either of these cases the operator should check the disposable installation, check for the presence
of saline solution, and then proceed in one of two ways:
• Touch the Play button to retry calibration, or
• Touch the “Delay calibration” button to continue setup without calibrating the Hct indicator.
Calibration may then be attempted at a later time before processing begins. If you intend to
proceed with HCT indicator calibration, switch the machine off and on again, then press RETAIN.
Make sure to do this before pressing the LOAD PUMP button.
The Hct functions will not be available until the indicator is successfully calibrated.
Supernatant Removal Indicator
The X
TRA
System visualizes an algorithm representing the percentage of supernatant that has been
removed, and more specifically, the percentage of supernatant that has been replaced by saline
solution during the Wash phase.
Neither the user interface elements associated with the supernatant removal indicator, nor the
calculated information, will be available unless the “Supernatant Removal” feature is enabled from the
Configuration Mode Screen (refer to “Enabling Quality Management Options” on page 12-2).
User Interface
When the supernatant removal indicator is enabled, the information calculated is presented to the
operator during processing through the user interface in two ways:
• The Wash phase screen will display a “Supernatant Removal %” field which displays the current
contaminants reduction (%).
• The tally table displayed in the Tally tab of the Menu Screen and in the End of Case Screen will
show the supernatant removal percentage.
Waste Line Color Indicator
The X
TRA
system is equipped with an integrated waste line color indicator which detects the color of
the waste line during the entire Wash phase.
The waste line color indicator is located on the top perimeter of the centrifuge well, where the waste
line exits the cover (see Figure 12-1).
Neither the user interface elements associated with the waste fluid transparency indicator, nor the
data it collects, will be available unless the “Waste Line” feature is enabled from the Configuration
Mode Screen (refer to “Enabling Quality Management Options” on page 12-2).
WARNING
Once the setup is completed, it is highly recommended not to alter
the position of the cassette and the tubes. Any alteration might
invalidate the calibration of the indicator.
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