Hallo isaenz, To go back to 0 rotation, you do not change any settings in the GLCD, as your output buffer needs to have same dimensions and orientation as your display (we use intermediate canvas to perform rotation). The only thing left to do after that is to go into your GUIX Studio project and change dimensions to 800x480, (from 480x800) and re-generate the content. As for the problem in general, we're aware that canvas rotation feature runs into bandwidth problems if the resolution is high. You should still be able to see good performance on PE-HMI1 when rotated vertically, but you'll need to disable D/AVE2D in your project and in GUIX Studio project. Regards
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