The items in the pump graphic have the following meaning and function:
| Indicates that an External Contacts board is installed. |
| When the solvent level falls below the specified volume, the yellow warning is shown; when the bottle is empty, the red error is shown. Clicking on the solvent bottle displays the Bottle Fillings dialog box. The tooltip for the bottle shows the solvent name. |
(G4220A/B, G7120A and G7132A) Indicates that the ISET option is installed but with no active method (gray) or installed and active (black). | |
Indicates the presence of a solvent selection valve. Use the context menu to switch the valve. | |
The pressure setpoints. The red line shows the current maximum pressure limit; the gray area shows the current pressure (also shown as text). |
The current solvent flow rate (in mL/min) is displayed above the pressure display.
The following pump actuals are displayed:
Flow | The current solvent flow rate (in mL/min). |
Pressure | The current pump pressure (in bar or psi). |
Ripple | (Not G4220A/B, G7120A or G7132A) The current ripple (in %). |
Tuning <Channel> | (G4220A/B, G7120A and G7132A) Indicates the tuning efforts of 1290 Infinity pumps. For pumps operating as expected, the signal should stay in a range of -1 to +1 within the full scale of -2 to +2. |
Pressure Limit | The current maximum pressure limit. |
Composition A, B | The percentage contribution of each of the solvent channels to the current solvent composition. When a solvent selection valve is fitted, the channels are shown in the graphic. |
Purge Status | The current status of the pump purge. (G4220A/B only) |
Prepare Pump | Displays the current pump preparation operation and the remaining duration for Purge or Conditioning, or the run time for Prime. (G7120A and G7132A only) |
Mixer | The installed mixer type. (G4220A/B, G7120A and G7132A) |
The context menu contains the following commands:
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Displays the pump's Control dialog box. |
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Displays the pump's Method Setup dialog box. |
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Causes the LED on the front of the module to blink for a few seconds. |
| Toggles the status of the pump, on or off. |
| Switches the solvent selection valve to the alternative position. These menu items are present only when a solvent selection valve is configured. |
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Displays the Bottle Fillings dialog box. |
| Allows you to control the purging of the system. (G4220A/B only) |
| Allows you to prime the pump heads if they are full of air. (G4220A/B only) |
| Allows you to switch pump conditioning on and off. See Conditioning for more information. (G4220A/B only) |
| Displays the Prepare Pump dialog box. (G7120A and G7132A only) |
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Allows you to ensure that all air bubbles in the seal wash lines are removed (for example, after the seal wash solvent bottle has been refilled). (G7120A and G7132A only) |