The items in the Prep Pump Cluster 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. | 
| 
 | 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 for each pump in the cluster:
| Flow | The current solvent flow rate (in mL/min). | 
| Ripple | The current ripple (in %). | 
| Pressure Limit | The current maximum pressure limit. | 
| Composition | The contributions of each channel to the current solvent composition. | 
| Purge Status | The current status of the purge, idle or active. | 
The context menu contains the following commands:
| 
 | Control | Displays the pump's Control dialog box. | 
| 
 | Method | Displays the pump's Method Setup dialog box. | 
| Identify Device | Displays a submenu that allows you to identify either each individual device or all devices in the cluster: 
 | |
| 
 | Switch On Switch Off | Toggles the status of the pump, on or off. | 
| 
 | Bottle Fillings | Displays the Bottle Fillings dialog box. | 
| Purge on Purge off | Toggles the status of the purge, on or off. |