Manuals Brands NEC Manuals Interactive Ultra Short Throw Projector NP-U321Hi-WK NEC NP-U321Hi-WK NEC Interactive Ultra Short Throw Projector - NP-U321Hi-WK. 123 Download Page of 3 Go 4.4, 1874 votes Preview coming soon. Download manual right now. NEXT 123 Related Manuals for NEC NP-U321Hi-WK NEC Interactive Ultra Short Throw Projector NP-U321H-WK Brochure 3 pages