TOUCH SCREENTOUCH SCREEN104SectionTouch screens are a common means to interface operator inputs to a system. The universalstandard of Windows GUI (Graphical User Interface) has significantly increased the use oftouch screens.There are four main touch technologies. The technologies are resistive, surface acousticwave (SAW), capacitive, and infrared (IR). Each touch technology has advantages anddisadvantages based on different user applications.All Vartech Systems displays configured with a touch screen are supplied with a CDROMwhich includes user manuals, application software, and drivers for various operating systems.Insert the supplied CDROM into a CDROM drive and follow the installation instructions thatwill appear on the screen.Limited technical support is available by contacting Vartech Systems customer support at800-223-8050.4.1 Introduction4.2 Installation