The display screen keyboard has the following characteristics:
1° It can be tilted and is separate from the screen to enable the worker to adopt a comfortable position which does not cause fatigue of the forearms or hands;
2° There is sufficient space in front of the keyboard to provide support for the user’s hands and forearms;
3° The keyboard has a matt surface to avoid reflections;
4° The layout of the keyboard and the characteristics of the keys tend to make it easier to use;
5° The symbols on the keys are sufficiently contrasting and legible from the normal working position.