66 1290 Infinity Quaternary Pump User Manual
4 Using the Pump
Setting up the Pump with the Instrument Control Interface
Timetable Settings
Use the Timetable to program changes in the pump parameters during the
analysis by entering a time in the Time field and appropriate values in the
following fields of the timetable. Changes in flow rate occur linearly from
either time zero or the time of the last defined change; other parameters
change instantaneously at the time defined in the timetable.
Show Advanced Timetable toggles the timetable display between standard
mode and advanced mode.
The following parameters can be changed:
• Change Contacts
•Change Flow
• Change Max. Pressure Limit
• Change Solvent Composition - You can only use solvents, which have been
enabled in the solvents section.
• Function centric view - This checkbox allows you displaying parameter
changes instead of a time table.
Primary Channel Using Automatic is recommended.
The primary channel can be specified as A to D for optimizing highly specific
methods. It is split up to deliver the first and last solvent package created by
the MCGV in order to optimize composition precision. The primary channel
does not change during a gradient, as long as the channel is used. Using
Automatic chooses the channel with the highest percentage at start
conditions before a gradient.
Mixer Selection Click the down-arrow and select the mixer to use from the list:
•Use any mixer: The currently installed mixer is used, irrespective of its
type.
• Do not use mixer: The valve is set to bypass the mixer so that it is not in
the flow path.
•<Mixer Name>: Only the specified mixer may be used; it the mixer is
not found, the pump goes into a Not Ready state.
Tabl e 5 Advanced method parameters
Parameter Limits Description
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