您可以在移动鼠标滚轮的同时，通过按ctrl键来放大或者缩小图表。
You can zoom in or out of a diagram by pressing the Ctrl key while moving the mouse wheel.
您将能够通过旋转鼠标滚轮或使用左和右shif t键更改背景色。
You'll be able to change background colors by either rotating the mouse wheel or using the left and right shift keys.
和目前的苹果遥控器很类似，但有一大区别：5维方向键被换成了经典的ipod滚轮。
Very similar to the current Apple Remote, with one key distinction: the 5-way directional pad is replaced with the classic iPod scroll wheel.
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