| http://www.w3.org/ns/prov#value | - Keypad 314 may be keypad 216 or buttons 218 in FIG. 2A, keypad 268 in FIG. 2B, or buttons 282 in FIG. 2C. Display 316 may be display 204 in FIG. 2A, display 256 in FIG. 2B, or display 280 in FIG. 2C. Display 316 may be a liquid crystal display (LCD) or other known displays, such as a cathode ray tube or active matrix display.
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