Quaternary Solvent Manager Control Panel - Waters ACQUITY UPLC H-Class Series System Manual

3.6.3 Quaternary solvent manager control panel

The control panel of the quaternary solvent manager (QSM) displays system pressure, total flow
rate, and solvent composition.
You can edit these parameters when the system is idle by clicking the underlined value. You
cannot edit solvent manager parameters while the system is running samples.
Figure 3–3: QSM control panel
Flow LED – Mirrors the flow status LED on the solvent manager's front panel, unless
communications are interrupted.
Flow rate – Displays the flow rate of solvent through all lines of the solvent manager.
Stop flow – When clicked, immediately stops all flow from the solvent manager.
Pressure Delta – The difference between the maximum and minimum pressures observed
during the previous minute of operation.
Solvent composition – Displays the percentage of solvent to be drawn from solvent lines
A through D. If you have the optional solvent selection valve, values for solvent lines D1
through D6 will appear here. Composition values range from 0.0 to 100.0%.
System pressure – Displays system pressure, in kPa, bar, or psi. You can specify pressure
units in the console software.
Status – Displays the status of the current operation.
You can access these additional functions by right-clicking anywhere in the solvent manager
control panel.
April 4, 2018, 715005702 Rev. A
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