| 摘要 |
An operator/facsimile interface enables entry of alpha-numeric data from a telephone-style keyboard. Alteration of displayed alpha-numeric characters may be accomplished by actuation of arrow keys, or sequential key presses of an alpha-numeric key. A displayed alpha-numeric character may be entered by actuation of an arrow key, an Enter key or a different alpha-numeric key. Completion of an alpha-numeric entry may be signaled by actuation of a Start key or Enter key. An offer of help message is automatically displayed for the operator if a preset time expires between sequential key presses or if the average time over a plurality of sequential key presses exceeds a predetermined average.
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