第一帧将两个文字的图层都隐藏在蒙版后面，将手机信号线的透明度减少到50%。

For the first frame let the both text layers be hidden behind their masks. Reduce the opacity of radial waves to 50%.

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打开动画窗口。第一帧将两个文字的图层都隐藏在蒙版后面，将手机信号线的透明度减少到50%。

Open animation window. For the first frame let the both text layers be hidden behind their masks. Reduce the opacity of radial waves to 50%.

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这一步的设置由线的粗细、颜色、软硬和透明度来决定的。

The settings in this step will determine the thickness of the line as well as the color, hardness, and opacity.

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