| 摘要 |
PROBLEM TO BE SOLVED: To transmit much information even if the screen size of a liquid crystal display part and the number of pixels for display are hard to be sufficiently secured in a traveling vehicle for work having the liquid crystal display part. SOLUTION: A crawler tractor comprises the liquid crystal display part 30 for displaying information and a control part 7 for controlling the liquid crystal display part 30. The control part 7 comprises a two-dimensional code display means for displaying the information in the form of a two-dimensional code C on the liquid crystal display part 30 and a simple explanation display means for displaying the simple explanation K of the information displayed in the form of the two-dimensional code C on the liquid crystal display part 30. COPYRIGHT: (C)2009,JPO&INPIT
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