function getSystem(customUA) {
		var bTabletDetected = !!isTablet(customUA);

		var oSystem = {};
		oSystem.tablet = bTabletDetected;
		oSystem.phone = Device.support.touch && !bTabletDetected;
		oSystem.desktop = !!((!oSystem.tablet && !oSystem.phone) || Device.os.windows || Device.os.linux || Device.os.macintosh);
		oSystem.combi = oSystem.desktop && oSystem.tablet;
		oSystem.SYSTEMTYPE = SYSTEMTYPE;

		for (var type in SYSTEMTYPE) {
			changeRootCSSClass("sap-" + SYSTEMTYPE[type], !oSystem[SYSTEMTYPE[type]]);
		}
		return oSystem;
	}
Enumeration containing the names of known types of the devices.

@namespace
@name sap.ui.Device.system.SYSTEMTYPE
@private