Programmability Option
9-8
20077/021 US XTRA Operator’s Manual
Protocol Area
The protocol area contains the parameters and controls used to select and modify the active
processing protocol. At the top is the protocol drop-down menu, which is used to select the active
protocol. Below that appear parameters specific to the selected protocol.
The parameters which are available for modification vary depending on the selected protocol.
Table 9-2, “Parameters of Factory Protocols Modifiable From the Protocol/Mode Tab,” on page 5
summarizes the available parameters for each factory protocol. Those parameters are described
below.
Pstd and Derived Protocols
Fill Speed
The speed at which the pump moves fluid from the reservoir into the bowl during the Fill phase (ml/
min).
Wash Speed
The speed at which the pump moves saline wash solution from the wash bag into the bowl during the
Wash phase (ml/min).
Wash Volume
The volume of wash solution to be pumped from the wash bag into the centrifuge bowl during the
Wash phase (ml).
Empty Speed
The speed at which the pump moves fluid from the bowl into the RBC bag during the Empty phase
(ml/min).
Conc Speed
The speed at which the pump moves fluid from the RBC bag into the bowl during the special
Concentrate phase (ml/min).
Return Speed
The speed at which the pump moves fluid from the bowl back into the reservoir during the special
Return phase (ml/min).
The Better Quality Wash button is present in the protocol area for
intraoperative and postoperative protocols (Pstd, Popt, Post-op) if it is enabled
in the Configuration Mode Screen. This button controls the BQW automation as
described in “Better Quality Wash (BQW) Function” on page 7-6.
Popt, Post-op, and Derived Protocols
The customizable parameters available for the Popt and Post-op protocols (and custom protocols
derived from them) differ from the Pstd protocols only in that the Fill Speed may not be modified.
Refer to “Pstd and Derived Protocols” on page 9-8.
Pfat and Derived Protocols
The customizable parameters available for the Pfat protocol (and custom protocols derived from them)
differ from the Popt and Post-op protocols only in that a new parameter, Fat Wash Vol. is shown and
may not be modified. Refer to “Popt, Post-op, and Derived Protocols” on page 9-8.
PPP and Derived Protocols
Fill Speed
The speed at which the pump moves fluid from the pre-donated whole blood bag into the bowl during
the Fill phase (ml/min).
Fill Centrifuge Speed
The speed at which the centrifuge spins during the Fill phase (RPM).
Empty Speed
The speed at which the pump moves fluid from the bowl into the RBC bag during the Empty phase
(ml/min).
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