There are two primary ways to enter the calibration mode depending on whether you can still interact with the current screen. 1. The "Long Press on Boot" Method (Recommended)
Most MCGS HMIs will enter calibration mode if you press and hold anywhere on the screen while turning the power back on. mcgs hmi touch calibration
This method requires precise timing. The boot sequence is short, so practice or review the steps before attempting. There are two primary ways to enter the
To help troubleshoot your specific issue, please let me know: What is the of your MCGS HMI? mcgs hmi touch calibration