首先，与原尺寸的键盘和鼠标相比，输入方法(“微型键盘”、“软键盘”以及“手写板”)有所制约。

First, the input methods (" thumb keyboards, "soft-keyboards, and" graffiti ") are restrictive when compared with full-sized keyboards and mice.

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它的前面板上带有屏幕显示(osd)键和触摸板鼠标，维护人员可以在不使用任何外部键盘和鼠标的情况下方便的进行操作或输入数据。

Its front panel holds screen indicator (OSD) key and water proof touch control board which made administrators could operate it or enter data expediently without any external keyboard and mouse.

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