1. A portable information display device comprising a display screen and an enclosure, the display screen having a touch-sensitive portion with a touch responsive icon arranged thereon, the touch responsive icon having a function associated with it which is performed by the device when the icon is touched, the enclosure having a bezel which defines a perimeter of the display screen, the bezel having a position identification means, the position identification means aligned with the touch responsive icon to allow a user to identify the location of a touch responsive icon region on the display screen in low-light conditions.