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troubleshooting. The Manual Control window can be opened
by selecting T
OOLS
PeakTrak menu.
The Manual Control Window has several controls:
• Channel – Select the channel for manual control. (Rf4x
systems only.)
• Solvent Selections – (Rf+ systems, including those
equipped with 4x) There are 4 solvent selection lists
labeled from 1st solvent through 4th solvent., describing
the order in which solvents will be pumped. The solvent
choices for each list are those defined by the
C
ONFIGURATION [6.3.13]
those equipped with 4x). It is recommended that the
solvent be primed in order of decreasing solvent
strength, with the weakest solvent primed last.
• Percentage Solvent B – type or select the mixture
percentage.
• Flow Rate – Type or select the pump's flow rate in
mL/min.
• Pump into Tube # – As a default setting, solvent is
pumped to the waste port during manual control. If you
would like to collect the solvent in a tube, select the
option button and enter the tube number. This function
cannot be used with the Waste Flow Path valve position.
This feature can be useful when trying to recover a
compound that has precipitated or "crashed" somewhere
in the fluid path.
• Valve Position – Select the valve position for the
desired solvent flow path. (Rf+ and Rf+ Lumen systems
only.)
• Prime A – Click the "Prime A" button to pump 100% of
solvent A at the selected flow rate.
• Prime B – Click the "Prime B" button to pump 100% of
solvent B at the selected flow rate.
• Prime 50% B – Click this button to pump a mix of
Solvent A and B.
• Stop – Click this button to stop the pump. This button is
only active while the pump is running.
>M
C
ANUAL
ONTROL [6.2.4.2]
window. (Rf+ systems, including
Section 6 User Help Reference
from the
6-35
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