5. The apparatus of claim 3 , wherein the processor is further configured to control the display device to provide an indication that the further information relating to each of the displayed ideogrammatic representations is accessible for viewing by the user by operating an input interface.
5. The apparatus of claim 3 , wherein the processor is further configured to control the display device to provide an indication that the further information relating to each of the displayed ideogrammatic representations is accessible for viewing by the user by operating an input interface. 6. The apparatus of claim 5 , wherein the input interface comprises an array of keys that are operable by a user, and wherein the indication comprises a representation of a selected one of the array of keys whose operation provides access to the further information.