Key facts
Start here

User's Manual for MultiSync X464UN, MultiSync X464UNS-2, MultiSync X464UNV-3, MultiSync X554UN, MultiSync X554UNS-2, MultiSync X554UNV-2
This manual provides instructions for installing, operating, and maintaining NEC MultiSync X464UN and compatible models. It includes sections on safety precautions, setup, connections, basic operation, and troubleshooting. Specifications for each model are listed separately.
The manual also covers advanced features such as multiple monitor connections, network control, and remote control options. Safety warnings and compliance information are included for proper usage and to avoid interference or hazards.
All NEC MultiSync X554UN documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What models does this manual cover?
This manual covers MultiSync X464UN, MultiSync X464UNS-2, MultiSync X464UNV-3, MultiSync X554UN, MultiSync X554UNS-2, and MultiSync X554UNV-2.
What safety precautions should I follow?
Do not expose the unit to rain or moisture. Do not use the polarized plug with an extension cord unless the prongs can be fully inserted. Do not open the cabinet as there are high voltage components inside. Refer servicing to qualified personnel.
What are the supported models in this manual?
The manual covers the MultiSync X464UN, X464UNS, X464UNV, X554UN, X554UNS, and X554UNV models.
How often should I clean the cooling fan holes?
It is recommended to wipe the holes clean a minimum of once a month if using the cooling fan continuously.
