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Section 2 Preparation: Rf + , Rf + Lumen, Rf+ PurIon, and EZ Prep Systems
2. While holding the rack with the tube size label visible
(Figure 2-8), insert the racks into the system. Slide the
rack in until you feel it drop into its seated position.
Figure 2-8 Inserting the collection tube rack
An incorrectly installed rack will cause the rack to be misaligned
under the fraction collector arm. Misaligned racks might cause
fractions to miss the tube opening or deposit in the wrong tube.
Always ensure the tube size label is visible (that is, facing outward)
and the rack is pushed in until it is seated.
When you turn the power switch to on, the system will
automatically detect the type of rack and configure program
settings accordingly. Later, in section 2.13.6, you can configure
the maximum volume for each tube size.
2.11 External Detector (Optional)
CombiFlash Rf systems with serial numbers greater than
209C20092 can be configured for use with an analog signal
from a user-supplied external detector. The analog signal
should range from –1.2 to +1.2 volts, although custom
interface cables may convert other analog signals to this
range. Contact the factory for interface and fluid path options.
Note
The external detector option is not supported on CombiFlash Rf
Lumen systems.
Tube Size
Label
CAUTION
+
2-17
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