The color gamut selection is greyed out in OSD. What can be done to fix it?

Search for questions /content/b2c/en-ap/support/downloads-faq/faq/product/troubleshooting/projector-faq-k-00010/jcr:content/faqpar/faqsearch /content/b2c/en-ap/support/downloads-faq/faq/product/troubleshooting/projector-faq-k-00010 /content/b2c/en-ap/support/downloads-faq/faq false https://www.benq.com/en-ap/support/downloads-faq/faq/product/troubleshooting/projector-faq-k-00010/_jcr_content/faqpar/faqsearch.faqsubfilter.json All Search