How to calibrate the HMI touchscreen

How to calibrate the HMI touchscreen

If the area touched on the HMI screen does not correspond to the area selected then the touchscreen is in need of calibration. Follow the instructions below to correctly calibrate the HMI. 

 Ⓘ NOTICE  Only qualified personnel familiar with the construction and operation of this equipment and the hazards involved should install, adjust, operate, and/or service this machine. Read and understand the manual in its entirety before proceeding. Failure to observe this precaution could result in severe bodily injury or loss of life. By proceeding, you are indicating that you acknowledge and agree that Foltex USA is not responsible for any damage to property or persons while accessing and/or using this service.


  1. Power up the machine by turning on the main switch, then quickly return to the HMI and lightly press and hold the screen with your finger. 
  2. The HMI will enter calibration mode. 
  1. Touch the center of all the “+” signs on the screen with your finger or a stylus to calibrate. 
  2. Once calibrated, the HMI will display the home screen.