BenQ RD280UG
BenQ Programming Monitor RD280UG Instruction Manual
Model: RD280UG
Introduction
This manual provides essential information for setting up, operating, and maintaining your BenQ RD280UG Programming Monitor. Designed for developers, this 28.2-inch 4K+ monitor features a 120Hz refresh rate, 3:2 aspect ratio, Nano Matte Panel, MoonHalo Backlight, and exclusive Coding Modes to enhance productivity and eye comfort during extended coding sessions.
Setup
1. Unpacking and Assembly
Carefully remove all components from the packaging. Assemble the monitor stand by attaching the base to the stand column, then securely attach the assembled stand to the monitor panel. Ensure all connections are firm.

Image: Monitor components laid out for assembly, showing the stand base, column, and monitor panel.
2. Connecting Cables
Connect the power cable to the monitor and a power outlet. Use the appropriate video cable (HDMI 2.1, DisplayPort 1.4, or USB 3.2 Gen2 Type-C with PD90W) to connect the monitor to your computer. For USB hub functionality, connect the USB 3.2 Gen1 Type-B upstream cable from the monitor to your computer.

Image: Close-up of the monitor's rear ports, including HDMI 2.1, DP 1.4, USB 3.2 Gen1 Type-B, and USB 3.2 Gen2 Type-C (PD90W, DP Alt Mode, Data).
Operating Instructions
1. Power On/Off
Press the power button, usually located on the bottom or rear of the monitor, to turn the display on or off. The LED indicator will show the power status.
2. On-Screen Display (OSD) Menu Navigation
Use the joystick or buttons, typically located on the bottom edge of the monitor, to navigate the OSD menu. This allows you to adjust various settings such as brightness, contrast, color modes, and input sources.
3. Adjusting Display Settings
- Brightness/Contrast: Adjust to your preferred viewing level.
- Color Modes: Select from exclusive Coding Modes (Dark Theme, Light Theme, Paper Color) for optimized readability and eye comfort.
- Input Source: Manually select the input source (HDMI, DisplayPort, USB-C) if auto-detection does not work.
- MoonHalo Backlight: Customize color temperature, brightness, and light modes for balanced illumination, reducing eye strain during late-night work.

Image: The BenQ RD280UG monitor on a desk, showcasing the MoonHalo Backlight feature illuminating the wall behind it.
Key Features
- Nano Matte Panel: Features low reflection properties for undisturbed clarity during long coding sessions.
- Exclusive Coding Modes: Specially tuned for code readability and eye comfort, including Dark Theme, Light Theme, and Paper Color.
- 120Hz Refresh Rate: Provides smooth scrolling and cursor movement for faster code navigation.
- MoonHalo Backlight: Offers balanced illumination to reduce eye strain during late-night or extended development work.
- 3:2 Aspect Ratio: Provides more vertical space to view code, logs, and documentation with less scrolling.
- Display Pilot 2 Software: Compatible with macOS, Windows, and Linux for convenient software-based control of monitor settings.

Image: The BenQ RD280UG monitor displaying code in various exclusive coding modes: Dark Theme, Light Theme, and Paper Color.
Specifications
| Feature | Detail |
|---|---|
| Standing screen display size | 28 Inches |
| Screen Resolution | 3840x2560 (4K+) |
| Max Screen Resolution | 3840 x 2560 Pixels |
| Refresh Rate | 120Hz |
| Aspect Ratio | 3:2 |
| Panel Type | IPS with Nano Matte Panel |
| Contrast Ratio | 2000:1 |
| Connectivity | HDMI 2.1, DisplayPort 1.4, USB 3.2 Gen2 Type-C (PD90W, DP Alt Mode, Data), USB 3.2 Gen1 Type-B, USB 3.2 Gen2 Type-A (downstream) |
| Item Weight | 16.8 pounds |
| Product Dimensions | 3.4 x 24 x 17 inches |
Troubleshooting
- No Display: Ensure all cables (power and video) are securely connected. Verify the correct input source is selected on the monitor.
- Flickering Screen: Check video cable connections. Ensure your graphics card drivers are up to date. Try adjusting the refresh rate in your computer's display settings.
- Image Quality Issues: Adjust brightness, contrast, and sharpness settings via the OSD menu or Display Pilot 2 software. Ensure your computer's display resolution matches the monitor's native resolution (3840x2560).
- USB Ports Not Working: Ensure the USB upstream cable (USB 3.2 Gen1 Type-B) is connected from the monitor to your computer.
Maintenance
- Cleaning the Screen: Use a soft, lint-free cloth lightly dampened with water or a specialized screen cleaner. Do not use alcohol-based cleaners as they can damage the panel finish.
- Cleaning the Casing: Use a soft, dry cloth to wipe the monitor casing. Avoid abrasive cleaners.
- Ventilation: Ensure the monitor's ventilation openings are not blocked to prevent overheating.
Warranty and Support
For detailed warranty information, technical support, and service inquiries, please refer to the official BenQ website or contact BenQ customer service directly. Keep your purchase receipt for warranty claims.
Media Gallery
Product Images

Front view of the BenQ RD280UG Programming Monitor, showcasing its sleek design and large display.

The Nano Matte Panel minimizes reflections, providing clear visibility during coding sessions.

Experience smooth scrolling and lag-free performance with the 120Hz refresh rate.

Display Pilot 2 software for macOS, Windows, and Linux, offering smart workflow management.
Official Product Videos
Video: ProArt Display PA279CRV. This video demonstrates the features and capabilities of the ASUS ProArt Display, highlighting its suitability for professional creative work.
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.







