13. The system of claim 9, wherein the input device includes a shift key, and wherein the processor is programmed with software for displaying a second character selection menu in response to actuation of the shift key, wherein the second character selection menu includes displayed groups of character representations, each of said groups consisting of representations of B characters.
13. The system of claim 9, wherein the input device includes a shift key, and wherein the processor is programmed with software for displaying a second character selection menu in response to actuation of the shift key, wherein the second character selection menu includes displayed groups of character representations, each of said groups consisting of representations of B characters. 14. The system of claim 13, wherein the character selection menu includes displayed groups of representations of lower case characters, and the second character selection menu includes displayed groups of representations of upper case characters.