An MHP television device including a user input and a GUI application for use in such a device wherein the GUI application maintains at least one notional wheel to which activities and strings for representing the activities may be assigned and generates an image for display, the image including an edge of the notional wheel on which a predetermined number of the strings are arranged for display, the GUI application being responsive to the user input both to rotate the notional wheel so as to display different strings and to select any activity represented by a string on the notional wheel at a predetermined position of the image.