Calibrate touch screen power panel 400

how do I calibrate the touch screen on a power panel 400 that uses Linux OS?

Good afternoon @arijaluddin,

To calibrate a touch screen, it is necessary to program a button on the HMI.
If this button does not exist, the only possible way to recalibrate the screen is to generate a new Compact flash including this button.

If this PP400 uses Automation Runtime and VC4 Visual Components, the developer has two possibilities to provide touch calibration:

I hope this helps you!

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so have to recreate the program that includes a button for touch calibration?

Iā€™m sorry but I am not aware that there is another option to achieve this, so yes, this would be the way.

oke thanks for your help sir