这个文本字段的红色是使用一个特定于类型的输入选择器实现的。
The red coloring of the text field is accomplished using a type-specific input selector.
原来的绘图也显示，电力供应和输入选择器。这些地区已被删除，我有我自己的版本。
The original drawing also showed a power supply and the input selector. These parts have been removed as I have made my own versions.
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