NEC MultiSync C861Q 86-inch 4K UHD LED Display User Manual

1. Introduction

This manual provides essential information for the safe and efficient operation of your NEC MultiSync C861Q 86-inch 4K UHD LED Display. Please read this manual thoroughly before using the product and retain it for future reference. This display is designed for digital signage applications, offering a large 4K UHD resolution screen with advanced features.

2. Safety Information

Observe the following safety precautions to prevent damage to the display and ensure user safety:

• Always connect the power cord to a grounded outlet.
• Do not block ventilation openings. Ensure adequate space around the display for proper airflow.
• Avoid exposing the display to rain or moisture to prevent electric shock or fire.
• Do not open the display casing. Refer all servicing to qualified service personnel.
• Handle the display with care due to its size and weight. Always use appropriate lifting techniques and equipment.

3. Package Contents

Verify that all items are present in the packaging:

• NEC MultiSync C861Q 86-inch LED Display
• Power Cord
• Remote Control with Batteries
• User Manual (this document)
• Signal Cables (may vary by region/bundle)

4. Setup

4.1 Unpacking and Placement

Due to the size and weight of the 86-inch display, it is recommended that multiple individuals assist with unpacking and placement. Carefully remove the display from its packaging. Place the display on a stable, flat surface or mount it securely using a VESA-compatible mounting solution (sold separately). Ensure adequate ventilation space around the display.

Figure 4.1: The NEC MultiSync C861Q 86-inch LED Display, viewed from an angle, showcasing a vivid image of the Northern Lights over a body of water with ice formations. The display features a slim bezel design.

4.2 Connecting Cables

Connect the necessary cables to the display's input ports:

• Power: Connect the power cord to the AC inlet on the display and then to a grounded electrical outlet (100V AC).
• Video Inputs:
  • HDMI: Connect up to three HDMI sources (e.g., media player, computer) to the HDMI IN ports.
  • DisplayPort: Connect up to two DisplayPort sources to the DisplayPort IN ports.
• Video Output: Use the DisplayPort OUT for daisy-chaining to another display.
• Network (LAN): Connect an Ethernet cable for network control and content management.
• OPS/RPi Slot: Insert an optional Open Pluggable Specification (OPS) device or Raspberry Pi Compute Module into the dedicated slot for integrated computing capabilities.

4.3 Initial Power On

After connecting all cables, press the power button on the display or the remote control to turn on the unit. The display will power on and show the NEC logo, followed by the selected input source.

5. Operating the Display

5.1 Basic Controls

The display can be controlled using the buttons on the display's frame or the included remote control.

• Power Button: Turns the display on or off.
• Input Button: Cycles through available input sources (HDMI 1, HDMI 2, HDMI 3, DisplayPort 1, DisplayPort 2, OPS/RPi).
• Menu Button: Accesses the On-Screen Display (OSD) menu.
• Navigation Buttons: Used to navigate through OSD menu options.
• Enter Button: Confirms selections in the OSD menu.

5.2 On-Screen Display (OSD) Menu

The OSD menu allows for detailed configuration of the display's settings. Press the Menu button to access it.

• Picture Settings: Adjust brightness, contrast, color temperature, sharpness, and aspect ratio. Enable or disable HDR (High Dynamic Range) and Local Dimming for enhanced image quality.
• Audio Settings: Control volume and audio input source.
• Input Settings: Manually select or configure input sources.
• Advanced Settings: Access network settings, power management options, and system information.

6. Maintenance

6.1 Cleaning the Display

To clean the display screen, gently wipe it with a soft, lint-free cloth. For stubborn marks, slightly dampen the cloth with water or a mild, non-abrasive screen cleaner. Do not spray cleaning solutions directly onto the screen. For the casing, use a dry, soft cloth.

6.2 Firmware Updates

Periodically check the NEC support website for available firmware updates. Firmware updates can improve performance, add new features, or resolve issues. Follow the instructions provided with the update package carefully.

7. Troubleshooting

If you encounter issues with your display, refer to the following common problems and solutions:

• No Power:
  • Ensure the power cord is securely connected to both the display and a working electrical outlet.
  • Verify the outlet has power.
• No Image/Signal:
  • Check that the video cables (HDMI, DisplayPort) are securely connected to both the display and the source device.
  • Verify the correct input source is selected on the display using the Input button or OSD menu.
  • Ensure the source device is powered on and outputting a signal.
• Poor Picture Quality:
  • Adjust picture settings (brightness, contrast, sharpness, color) in the OSD menu.
  • Ensure the source resolution matches the display's native 4K UHD (3840x2160) resolution for optimal clarity.
  • Check for damaged video cables.
• Remote Control Not Working:
  • Replace the batteries in the remote control.
  • Ensure there are no obstructions between the remote and the display's IR receiver.

If the problem persists, contact NEC customer support for further assistance.

8. Specifications

9. Warranty and Support

The NEC MultiSync C861Q display comes with a 3-year commercial warranty. This warranty covers defects in materials and workmanship under normal use. For specific terms and conditions, please refer to the warranty card included with your product or visit the official NEC Display Solutions website.

For technical support, service, or warranty claims, please contact NEC Display Solutions customer service. Have your model number (C861Q) and serial number ready when contacting support.

NEC Display Solutions Contact Information: Please refer to the official NEC website or your product documentation for the most current contact details.