Please read this manual carefully before using your NEC U300X/U250X/U310W/U260W projector and keep the manual handy for future reference. CAUTION. To turn off View the manual for the NEC U250X here, for free. This manual comes under the category Video projectors and has been rated by 1 people with an average of a NEC U250X Professional Ultra Short Throw Solution. Projectors with almost no shadow and Lamp; Manual vertical Keystone Correction (V ±15 ); Manual Wall. Manual for NEC U250X Projector. View and download the pdf, find answers to frequently asked questions and read feedback from users. Nec NP-U250X Office Appliances Projector download pdf instruction manual and user guide.We have 4 NEC U250X manuals available for free PDF download: Installation And Adjustment Manual, User Manual, Specification, Quick Setup Manual. NEC U250X NEC U250X NEC U250X 3D ready DLP Projector Order Code: 60002965 Projectors with almost Manual Supported Resolutions SVGA; SXGA; SXGA+; UXGA; VGA; WXGA; NEC U300X/U250X/U310W/U260W Projector user manual(4). Brand: NEC. File format: PDF. File size: 6771 KB. MD5 Checksum: ABFB7B513182B8764B6C2B1878BE2F9D.