| 摘要 |
The present invention provides an operator-controllable system that allows the operator to make initial (and preferably optimal) field operation settings for the towed working tool (implement) quickly and easily when hitching the working tool to the towing vehicle, e.g., tractor. Once an initial setup is completed, in operation, the invention, which in one form is a leveling arrangement for the working tool, automatically maintains the optimal operation settings throughout the vertical operational range of the working tool. For example, if the optimal operation settings is a level implement throughout its operating range, the leveling arrangement will maintain the implement level as the implement is raised and lowered.
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