| 摘要 |
A manual parameter input system for automotive test equipment such as a vehicle wheel balancer. Variable pressure input knobs supply rotation direction and "applied pressure" information to the balancer's internal computer. The computer updates the value displayed by digital visual displays at a rate corresponding to the applied pressure to the knob. The visual display output is independent of the actual rotational position of the input knobs, and hence is highly tolerant of mechanical slippage and other mechanical deficiencies in the input system.
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