1. Introduction
This manual provides essential information for the safe and efficient use of your iiyama G-Master GC2480HSU-B1 23.6-inch VA Monitor. Please read these instructions thoroughly before operating the device and retain them for future reference.
2. Package Contents
Verify that all items listed below are present in your product package:
- iiyama G-Master GC2480HSU-B1 Monitor
- Power Cable (1.5m)
- HDMI Cable (High Speed, 1.5m)
- USB Cable (for USB Hub functionality, 1.5m)
- Quick Start Guide (if included)
3. Setup
3.1 Assembling the Stand
Carefully place the monitor face down on a soft, clean surface to prevent scratches. Attach the stand base to the stand neck, then secure the assembled stand to the monitor's rear panel using the provided screws. Ensure all connections are firm.

Figure 3.1: Front view of the iiyama G-Master GC2480HSU-B1 monitor, showing the display and the attached stand. The monitor features a black bezel and a sturdy black stand.
3.2 Connecting Cables
- Video Connection: Connect one end of the HDMI or DisplayPort cable to the corresponding port on your computer's graphics card and the other end to an HDMI or DisplayPort input on the monitor.
- USB Hub Connection: To enable the monitor's USB ports, connect the supplied USB cable from your computer's USB port to the dedicated USB upstream port on the monitor.
- Power Connection: Connect the power cable to the monitor's power input, then plug the other end into a grounded electrical outlet.

Figure 3.2: Rear view of the iiyama G-Master GC2480HSU-B1 monitor, highlighting the input ports including HDMI, DisplayPort, and USB ports. The power input is also visible.
3.3 Initial Power-On
Press the power button located on the monitor to turn it on. The monitor should automatically detect the input signal. If no image appears, ensure all cables are securely connected and your computer is powered on.
4. Operating the Monitor
4.1 On-Screen Display (OSD) Controls
The monitor's settings are adjusted using a joystick control typically located on the rear or bottom edge of the monitor. Move the joystick to navigate through the OSD menu and press it to select options.

Figure 4.1: Side view of the iiyama G-Master GC2480HSU-B1 monitor, illustrating the location of the OSD joystick control on the rear panel.
4.2 Adjusting Display Settings
Access the OSD menu to configure various display parameters:
- Resolution & Refresh Rate: Ensure your operating system is set to the native resolution of 1920x1080 and the maximum refresh rate of 180Hz for optimal performance.
- Gaming Modes: Select from predefined gaming modes to optimize visual settings for different game genres.
- Black Tuner: Adjust the Black Tuner setting to enhance visibility in dark scenes, revealing details that might otherwise be obscured.
- Flicker-Free LED & Blue Light Filter: Activate these features to reduce eye strain during extended use.
- AdaptiveSync: Enable AdaptiveSync for a smoother gaming experience by synchronizing the monitor's refresh rate with your graphics card's frame rate.
4.3 Using the USB Hub
The monitor includes two USB 2.0 ports. These ports function as a USB hub, allowing you to connect peripherals such as keyboards, mice, or USB drives directly to the monitor. Remember that the dedicated USB cable must be connected from the monitor to your computer for these ports to be active.
4.4 Audio Output
The monitor features integrated 2 x 2W speakers for basic audio output. For higher quality audio, connect headphones or external speakers to the headphone jack located on the monitor.
5. Maintenance
5.1 Cleaning the Monitor
- Always power off and unplug the monitor before cleaning.
- Use a soft, lint-free cloth lightly dampened with water or a non-abrasive screen cleaner.
- Do not spray cleaner directly onto the screen.
- Avoid using harsh chemicals, solvents, or abrasive materials.
5.2 General Care
- Keep the monitor away from direct sunlight, excessive heat, and moisture.
- Ensure adequate ventilation around the monitor.
- Avoid placing heavy objects on the monitor or its cables.
6. Troubleshooting
If you encounter issues with your monitor, refer to the following common solutions:
- No Image: Check if the monitor is powered on and all video cables (HDMI/DisplayPort) are securely connected to both the monitor and the computer. Ensure the correct input source is selected in the OSD menu.
- Poor Image Quality: Verify that the display resolution and refresh rate are set correctly in your computer's display settings. Adjust brightness, contrast, and other image settings via the OSD menu.
- USB Ports Not Working: Confirm that the dedicated USB upstream cable is connected from the monitor to your computer.
- No Audio: Check the volume settings on both the monitor and your computer. Ensure the audio output is directed to the monitor if using integrated speakers or the headphone jack.
For more detailed troubleshooting steps and advanced issues, please consult the full user manual available on the official iiyama website.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | iiyama |
| Model Number | GC2480HSU-B1 |
| Screen Size | 23.6 Inches |
| Panel Type | VA |
| Resolution | 1920 x 1080 (Full HD) |
| Refresh Rate | 180Hz |
| Response Time | 0.5ms (MPRT) |
| Brightness | 300 cd/m² |
| Viewing Angle | 178°/178° |
| Aspect Ratio | 16:9 |
| Connectivity | 2 x HDMI, 1 x DisplayPort, 2 x USB 2.0 Hub |
| Audio | 2 x 2W Speakers, Headphone Jack |
| Features | Black Tuner, Flicker-Free LED, Blue Light Filter, AdaptiveSync, Gaming Modes |
| VESA Compatibility | 100 x 100 mm |
| Dimensions (LxWxH) | 7.95 x 21.08 x 15.53 inches |
| Item Weight | 8.36 pounds |
8. Warranty and Support
For information regarding your product's warranty, technical support, or to download the complete user manual, please visit the official iiyama website. The full user manual provides comprehensive details on all features and advanced settings.
Official iiyama Website: www.iiyama.com





