I bought the Vava beamer so that I can watch my 3D films. The picture setting is now switched to 3D SBS. How do I pair my conventional DLP-LINK 3D glasses with the Vava Beamer? I don't see any entry in the menu of the beamer. They connect on their own for two seconds, then they don't work any more. They are not defective, as they still worked with my previous beamer. I thought all DLP glasses were compatible? Or do I need special glasses? If so, which ones? Thank you