All the parameters can not be revised under dispensing calibration mode, the default parameters are these parameters under dispensing mode. 
    Follow the below diagram, enter ‘Calibration’ interface.
    Press ‘Start/stop Key’ to start calibration, the screen will display ‘Running Time’ and ‘Actual Volume’, running time will count down until to end. 
    Press ‘Increment Key’ or ‘Decrement Key’ to input actual volume, press ‘Confirm Key’ to save the setting or press ‘Return Key’ to cancel the setting and back to previous menu. 

    If the actual volume is known in advance, enter the calibration interface and input the actual volume directly. 

*Dispensing Mode Operating Procedure