It is possible to continue using your device in manual mode:
1) Use the touch button to cycle between different operating modes. Tap to select the Manual Setpoint mode to boost temperature from the device.
Manual mode is indicated by the solid bright colour.
2) Hold down the touch button to raise the temperature setpoint in manual setpoint mode indicated by the colours changing on the display:
3) Release the button to select the desired setpoint.
When exiting manual setpoint Themo remembers your last selected setpoint and next time you can activate the same setpoint with on click.