THE STRUCTURE of the firmware for the DC Motor Speed Controller is shown overleaf in Fig.8.The transitions between the various menus are made using the switches on the display board and are indicated with labelled arrows.There are four possible switch presses,either Short or Long and either the Left(L)or Right(R).Thus,for example,"Short R"refers to a short press of the right pushbutton.
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机译：直流电动机速度控制器的固件结构如图8所示。各种菜单之间的转换是通过显示板上的开关进行的，并用带箭头的箭头表示。共有4种可能的开关按下方式，分别是或“长”和“左”（L）或“右”（R）。因此，例如“ Short R”是指短按右按钮。
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