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DLP410系统组件的两个疑问



如图所示DLP410系统,

1)最右上角的LED SENSOR是用来检测光亮度的还是色彩度的,还是什么的?我应该怎么选呢,有什么推荐型号?

2)最左上角的OPTICAL SENSOR(CAMERA)又应当如何选择确定呢?

谢谢~~~~~~~~~~~~