 image is connected, the Light image can be combined with the<br>
rainbow pattern on the screen.<br>
Light Threshold is the minimum Alpha channel value of the Light image required for screen composition.<br>
For each pixel, the following processing will be performed:</LI>
<UL>
<LI>When the alpha channel of the Light image is below the Light Threshold: Screen composition is not<br>
performed.</LI>
<LI>When the alpha channel of the Light image is 1: The Light image is composited on the screen at 100%.</LI>
<L