Siemens SIMATIC HMI Series Getting Started page 35

Result
The pictograms of the function keys are corrected and displayed without distortion.
In this way, you can change the size of pictograms at any time.
Migration Guide Comfort Panels
Getting Started, 03/2011, A5E03478626-01
3.3 Switching screen from 4:3 to Widescreen
Migrating a project
35