How to avoid scratching the screen?
Generally, the screens have a button or a specific shape to be activated. These are generally located outside the field of view, so it is advisable to use them. Some screens have a scratch-resistant coating, it allows to push in time the appearance of scratches. However, these coatings are not quick fixes, so it is strongly recommended to operate the screen using the gloves on the optical part. When cleaning, use only clean water and a soft cloth.