| 摘要 |
PROBLEM TO BE SOLVED: To constitute a single action key device to be arranged on an operation panel for small-sized facsimile device with a rotary type display member so that an extremely large number of designations can be set while displaying only a small number of display parts. SOLUTION: In a single action key provided on the operation panel 1 for facsimile device, only a transparent window part 23 is arranged on a display window part 9, and a rotator 11 is rotatably provided within a translucent body provided within the lower body of the display window part. The rotator 11 is formed of a polygon having a number of display faces 13. The information for the operation of the shaft member 14 is inputted by a change-over switch device, and a switch member 25 is operated by pressing the transparent window part 23, whereby the set of an abbreviated dialing can be facilitated.
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