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Do not apply not necessary high pressures on the screen. For applications where an intensive use of the touch screen is foreseen, please consider that touch screen components are subject to progressive wear. CAUTION 3.1.2 Using the Joystick The joystick selects items and enters information. The joystick can work like the directional arrow keys of a PC keyboard or can function like a mouse and control the mouse pointer. It is possible to switch between the two functioning modes by pressing blue m