Model: M431
The NEC MultiSync M431 is a 43-inch LCD large format display designed for professional messaging and presentation. It features a modern, slim design and is built for continuous operation (24/7). The display incorporates a panel with a high haze level to minimize reflections, ensuring clear visibility even in brightly lit environments. This display provides a professional solution for presenting digital content effectively.

Figure 1: Front view of the NEC MultiSync M431 display, showcasing its vibrant image quality with a blue floral image.
The MultiSync M431 supports various mounting configurations. Ensure to use VESA-compliant mounting hardware appropriate for the display's weight and size. Consult a professional for wall or ceiling installations.
Use the "Input" button on the remote control or the display's control panel to cycle through available input sources (e.g., HDMI 1, DisplayPort, etc.).
Access the On-Screen Display (OSD) menu to adjust various settings such as picture quality, audio, network, and system configurations. Use the navigation buttons on the remote or display to browse and select options.
This section provides solutions to common issues you might encounter. If the problem persists, contact customer support.
| Problem | Possible Cause | Solution |
|---|---|---|
| No image on screen | Power cable disconnected; Incorrect input source; Source device off. | Check power connection; Select correct input source; Ensure source device is on. |
| No audio | Volume too low; Muted; Incorrect audio input/output. | Increase volume; Unmute; Check audio cable connections and settings. |
| Remote control not working | Batteries dead; Obstruction; Remote not pointed at sensor. | Replace batteries; Remove obstructions; Point remote directly at the display's IR sensor. |
| Attribute | Value |
|---|---|
| Brand | NEC |
| Model | M431 |
| Standing screen display size | 43 Inches |
| Screen Resolution | 3840x2160 |
| Max Screen Resolution | 3840 x 2160 |
| Item Weight | 38.6 pounds |
| Product Dimensions | 44.1 x 27.6 x 8 inches |
| Color | Gray |
| Manufacturer | SHARP NEC DISPLAY SOLUTIONS OF AMERICA INC |
| Date First Available | April 14, 2021 |
| Aspect Ratio | 16:9 |
| Screen Surface Description | Glossy |
For warranty information, please refer to the warranty card included with your product or visit the official NEC Display Solutions website. Keep your proof of purchase for warranty claims.
For technical support, product registration, or service inquiries, please contact NEC customer support through their official channels. Contact details can typically be found on the manufacturer's website or in the product packaging.
Online Resources: For the latest drivers, firmware updates, and additional documentation, visit the NEC Display Solutions support portal.
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