1. Introduction
This manual provides essential information for the safe and efficient use of your NEC C981Q 98-inch LCD Display. Please read this manual thoroughly before operating the product and retain it for future reference. This display is designed for professional and commercial applications, offering a large 4K UHD resolution screen for various viewing needs.

Image 1.1: Front view of the NEC C981Q 98-inch LCD Display, showcasing its large screen size and narrow bezel.
2. Safety Information
Observe the following safety precautions to prevent damage to the product and ensure user safety:
- Power Source: Connect the display only to a grounded power outlet with the correct voltage.
- Ventilation: Ensure adequate ventilation around the display. Do not block ventilation openings.
- Placement: Place the display on a stable, level surface or mount it securely according to installation guidelines. Avoid direct sunlight, heat sources, and excessive moisture.
- Cleaning: Disconnect power before cleaning. Use a soft, dry cloth. Avoid liquid cleaners or aerosols.
- Servicing: Do not attempt to service this product yourself. Refer all servicing to qualified service personnel.
- Heavy Object: This product is heavy (approximately 205 lbs). Exercise extreme caution during transport and installation. Always use appropriate lifting equipment and personnel.
3. What's in the Box
Upon unpacking, please verify that all components are present and undamaged. If any items are missing or damaged, contact your vendor immediately.
- NEC C981Q 98-inch LCD Display
- Power Cord
- Remote Control (with batteries)
- User Manual (this document)
- Other accessories (e.g., signal cables, mounting hardware) may vary by region or package.
Note: The provided product information indicates 'unknown' for 'whats_in_the_box'. The list above is based on typical display product inclusions.
4. Setup
4.1 Unpacking and Placement
Due to the size and weight of the NEC C981Q (205 lbs), it is highly recommended that multiple individuals assist with unpacking and placement. Carefully remove the display from its packaging. Choose a stable location that can support the display's weight and dimensions (3.7 x 86.4 x 49.2 inches).
4.2 Connecting Power
- Ensure the display's power switch is in the OFF position.
- Connect the provided power cord to the AC inlet on the display.
- Plug the other end of the power cord into a grounded electrical outlet.
4.3 Connecting Input Sources
The NEC C981Q supports various input sources, including DisplayPort. Connect your source device (e.g., computer, media player) to the appropriate input port on the display using a compatible cable.
- DisplayPort: For high-resolution video and audio transmission.
- Other ports (e.g., HDMI, DVI, VGA) may be available depending on the specific model variant. Consult the port labels on your display.
5. Operating Instructions
5.1 Powering On/Off
- To Power On: Press the power button on the display or the remote control. The power indicator light will illuminate.
- To Power Off: Press the power button again. The display will enter standby mode. For complete power disconnection, unplug the power cord.
5.2 Input Source Selection
Use the 'Input' button on the remote control or the display's control panel to cycle through available input sources (e.g., DisplayPort). Select the input corresponding to your connected device.
5.3 Menu Navigation
The On-Screen Display (OSD) menu allows you to adjust various settings. Use the navigation buttons on the remote control or display to:
- Access the main menu.
- Navigate through menu options.
- Adjust values (e.g., brightness, contrast, color settings).
- Confirm selections.
5.4 Resolution and Display Settings
The NEC C981Q supports a native resolution of 3840 x 2160 (4K UHD). Ensure your source device is configured to output at this resolution for optimal image quality. Adjust aspect ratio and other display settings via the OSD menu as needed.
6. Maintenance
6.1 Cleaning the Display
Regular cleaning helps maintain optimal performance and appearance.
- Screen: Gently wipe the screen with a soft, lint-free cloth. For stubborn marks, lightly dampen the cloth with water or a specialized screen cleaner (non-ammonia based) and wipe carefully. Do not spray liquid directly onto the screen.
- Cabinet: Wipe the display cabinet with a soft, dry cloth.
Caution: Always disconnect the power cord before cleaning.
6.2 Storage
If storing the display for an extended period, power it off completely, unplug all cables, and store it in a cool, dry environment, preferably in its original packaging to protect it from dust and physical damage.
7. Troubleshooting
Before contacting customer support, please refer to the following common issues and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No image on screen | Power cable disconnected; Incorrect input source selected; Source device not powered on or connected. | Check power connections; Select correct input source; Ensure source device is on and connected. |
| Image is distorted or blurry | Incorrect resolution setting; Loose video cable connection; Cable quality issue. | Set source device to 3840 x 2160 resolution; Secure video cable connections; Try a different high-quality cable. |
| No sound | Volume muted or too low; Incorrect audio output selected on source; Audio cable not connected (if applicable). | Adjust volume; Check audio settings on source device; Ensure audio cables are connected if not using DisplayPort audio. |
| Remote control not working | Batteries depleted; Obstruction between remote and display sensor. | Replace batteries; Remove any obstructions; Ensure remote is pointed at the display's sensor. |
8. Specifications
Key technical specifications for the NEC C981Q LCD Display:
| Feature | Detail |
|---|---|
| Brand | NEC |
| Model Number | C981Q |
| Screen Size | 98 Inches (249 cm) |
| Resolution | 3840 x 2160 (4K UHD) |
| Aspect Ratio | 16:9 |
| Image Brightness | 350 cd/m² (nits) |
| Contrast Ratio | 1,300:1 |
| Response Time | 8 ms |
| Product Dimensions | 3.7 x 86.4 x 49.2 inches |
| Item Weight | 205 pounds |
| Connectivity | DisplayPort (and potentially others depending on configuration) |
| Screen Surface | Glossy |
| Country Of Origin | China |
9. Warranty and Support
9.1 Warranty Information
This NEC C981Q display comes with a standard manufacturer's warranty. Please refer to the warranty card included with your product or visit the official NEC website for detailed terms and conditions, including warranty duration and coverage.
9.2 Customer Support
For technical assistance, troubleshooting beyond this manual, or warranty claims, please contact NEC customer support. Have your model number (C981Q) and serial number ready when contacting support.
NEC Support Website: www.necdisplay.com/support (Example link, please verify official NEC support page)
Phone Support: Refer to the NEC website for regional contact numbers.





