| 摘要 |
A mobile device comprises a key switch and a graphic display region associated with the key switch. A display control application drives, on a predetermined alternation time schedule between a first time period and a second time period: i) display of a first icon on the graphic display region during the first time period when activation of the key switch activates a first mobile device function; and ii) display a second icon, different than the first icon, on the graphic display region during the second time period when activation of the key switch activates a second mobile device function.
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