| 摘要 |
An instrument includes a display screen which includes a bitmap graphical user interface including an on-screen menu, and a control element which enables movement of the on-screen menu corresponding to movement of the control element, enables the user to manipulate and select graphic images for executing selected instrument functions. The instrument is adapted to enable manipulation of a plurality of graphic elements in an on-screen menu such that the user is able to form a graphic image on the display screen.
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