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DLPLCR6500做三维扫描标定时没有投影出标定板图案来怎么解决?

进行到如下图所示的第五步的时候

提示投影标定板未找到,但是DLP投影仪并没有投影出标定板图案,这个问题怎么解决,是设置的问题吗?