获取或设置开关的显示名称。
多个定标集合可能立即被装载， 允许快和容易的开关在不同的定标设置之间没有需要重新校正显示。
Multiple calibration sets can be instantly loaded, allowing quick and easy switching between different calibration settings without the need to re-calibrate the display.
所述的变频器控制电路外部设置有壳体，在壳体上设置有接线端子、控制开关、指示灯和显示屏。
A shell body is arranged outside the frequency converter control circuit and is provided with a wiring terminal, a control switch, an indication light and a displaying screen.
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