| 摘要 |
PROBLEM TO BE SOLVED: To provide an operation screen display device for a vertical bag- making/filling/packaging machine capable of switching a plurality of language displays by a simple operation, and easy to correspond to a new language. SOLUTION: The device is provided with a touch panel 11 capable of displaying by plural different languages, and inputting corresponding to the display, a storage unit 34 which stores beforehand a plurality of display language groups in different memory areas 34a, and a display language switching means which displays by switching the language displayed on the touch panel 11 by a special input from the touch panel 11 to one of the display language groops stored in the storage unit 34. The display language switching means is composed of an arithmetric unit 21 and a storage unit 22 in a main control unit 20.
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