当你想要有纹理的具体参数并想拥有纹理的完全控制的时候选择该项。

Select this when you want to have specific parameters on your texture and you want to have total control over your texture.

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提示：要使项目一次移动一个像素，则选择该项目并按下键盘上的箭头键。

TIP: To move an item one pixel at a time, select the item and press an arrow key on your keyboard.

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使用时先选择该项，激活右边的滑动条，然后用左箭头或右箭头来进行音量调整。

Select it to activate the slider bar on the right, then use the leave and right arrows to adjust the volume.

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