| 摘要 |
A portable handheld device, such as a camera, is provided. The device comprises a functional unit and an associated electronic control system. The control system includes a flat panel display for providing a visual display used to control the functional unit. The electronic control system also comprises a switch platform mounted to detect a touching about a periphery of the display to provide a plurality of discrete output signals which are each indicative of a portion of the periphery in which the touching is detected. A user may navigate through information on the visual display by touching the display to activate the switches in a manner which moves a cursor through items depicted on the display.
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