1. Fampidirana
This manual provides essential information for the proper setup, operation, and maintenance of your KOORUI G2721X 27-inch 1440p QHD Gaming Monitor. Please read this manual thoroughly before using the product to ensure optimal performance and safety. Keep this manual for future reference.

Sary 1.1: Eo anoloana view of the KOORUI G2721X monitor, showcasing ny bezelany manify sy mijoro.
2. Ny votoatin'ny fonosana
Verify that all items are present in the package. If any items are missing or damaged, please contact your retailer or KOORUI customer support.
- KOORUI G2721X Monitor (x1)
- Monitor Base (x1)
- Boky torolalana (x1)
- Tariby DisplayPort (DP) (x1)
- Power adaptatera (x1)
3. Vokatra mihoatraview
3.1 Lafin-javatra fototra
- Aseho: 27-inch QHD (2560x1440) resolution for crisp visuals.
- Havaozina: Up to 260Hz (supports 240Hz) for smooth gameplay.
- Fotoana famaliana: 1ms (GTG) for minimal motion blur.
- Karazana tontonana: Fast IPS for vibrant colors and wide viewamin'ny angles.
- Fanohanana HDR: HDR400 for enhanced contrast and brightness.
- Adaptive Sync: Eliminates screen tearing and stuttering.
- Color Gamut: 99% sRGB and 90% DCI-P3 for accurate color reproduction.

Figure 3.1: Visual representation of the monitor's core features.
3.2 Seranana sy Fanaraha-maso
The monitor features a variety of input and output ports for versatile connectivity, along with an intuitive control system.
- Video input: Two HDMI 2.0 ports, one DisplayPort 1.4 port.
- Audio Output: One 3.5mm audio jack.
- Fampidirana herinaratra: One DC power port.
- Fanaraha-maso: A 5-way joystick located on the rear for On-Screen Display (OSD) navigation.
- Design: Hawk-wing backplate with integrated cooling stripes for efficient heat dissipation.

Sary 3.2: aoriana view of the monitor detailing port locations and physical adjustments.
4. Fametrahana
4.1 Fametrahana mijoro
- Carefully remove the monitor and base from the packaging.
- Align the monitor stand with the slot on the back of the monitor.
- Gently push the stand into the slot until it clicks into place, indicating a secure connection.
- Apetraho eo amin'ny toerana marin-toerana sy fisaka ilay monitora mitambatra.
4.2 Fifandraisana tariby
- Connect the provided DisplayPort (DP) cable from your computer's graphics card to the DP 1.4 port on the monitor. Alternatively, use an HDMI cable to connect to one of the HDMI 2.0 ports.
- Connect the power adapter to the DC power port on the monitor, then plug the other end into a power outlet.
- If using external speakers or headphones, connect them to the 3.5mm Audio Out port.
4.3 Video Guide: Installation and Features
Watch this video for a visual guide on installing the monitor stand and an overview ny endri-javatra.
Video 4.1: A detailed demonstration of the KOORUI G2721X monitor's assembly and key functionalities. This video covers the physical setup, port connections, and highlights features such as the 260Hz refresh rate, QHD resolution, and Adaptive Sync technology.
5. Torolàlana miasa
5.1 Fitetezana ny Aseho eo Amin'ny Efijery (OSD)
The monitor's settings can be adjusted using the 5-way joystick located on the back of the display. Press the joystick to open the OSD menu, then move it up/down/left/right to navigate and select options.
5.2 Motion Performance
The G2721X offers an ultra-smooth 260Hz refresh rate, crucial for competitive gaming. It also features 3-level Overdrive settings to optimize response time:
- Normal: 5ms ny fotoana famaliana.
- haingana: 3ms ny fotoana famaliana.
- Extreme: 1ms ny fotoana famaliana.
Adjust these settings via the OSD menu to find the optimal balance for your gaming experience.

Figure 5.1: Illustrates the visual difference in motion clarity between 260Hz and 120Hz refresh rates.
5.3 Color Performance
The monitor covers 99% sRGB and 90% DCI-P3 color gamuts, displaying 16.7 million colors (8-bit). This wide color range enhances in-game visuals and provides accurate color reproduction for various applications.

Figure 5.2: Demonstrates the monitor's extensive color capabilities.
5.4 Adaptive Sync
Adaptive Sync technology synchronizes the monitor's refresh rate with your graphics card's frame rate, effectively eliminating screen tearing and stuttering during fast-paced action. Ensure Adaptive Sync is enabled in both the monitor's OSD and your graphics card's control panel for optimal performance.
5.5 HDR400 Support
With HDR400 support, the monitor delivers brighter colors, deeper blacks, and enhanced contrast, providing a more immersive visual experience in compatible content.
5.6 Lalao Modes
The G2721X includes dedicated game display modes to enhance your gaming experience:
- Crosshair: Provides an on-screen crosshair for improved aiming accuracy.
- Timer: Displays an on-screen timer for managing game events.
- FPS: Optimized settings for First-Person Shooter games.
- RCG: Optimized settings for Racing games.
- RPG: Optimized settings for Role-Playing Games.

Sary 5.3: Eksamples of the monitor's dedicated game modes.
6. Famaritana
| endri-javatra | famaritana |
|---|---|
| Laharana modely | G2721X |
| Haben'ny efijery | 27 santimetatra |
| Karazana tontonana | Fast IPS |
| vahaolana | 2560 x 1440 (QHD) |
| Ny tahan'ny fanavaozana | 260Hz (supports 240Hz) |
| Fotoam-pamaliana | 1ms (GTG) |
| ny famirapiratry ny mazava | 350 cd/m² (Nit) |
| Fanohanana HDR | HDR400 |
| Color Gamut | 99% sRGB, 90% DCI-P3 |
| Lalin'ny loko | Loko 16.7 tapitrisa (8-bit) |
| Pixel Density | 109 PPI |
| Aspect ratio | 16:9 |
| fifandraisana | 2x HDMI 2.0, 1x DisplayPort 1.4, 1x Audio Out, 1x DC Power |
| VESA Compatibility | 75x75mm |
| Fanitsiana mitongilana | -5° hatramin’ny 20° |
| Haben'ny vokatra (W x D x H) | 24 x 8.46 x 18.59 santimetatra |
| Lanja entana | 10.83 kg |
7. Fikojakojana
Ny fikojakojana araka ny tokony ho izy dia miantoka ny faharetana sy ny fampandehanana tsara indrindra ny monitor-nao.
- Manadio ny efijery: Mampiasà lamba malefaka sady tsy misy loko kely dampened with water or a specialized screen cleaner. Do not use alcohol-based cleaners or abrasive materials.
- Fanadiovana ny Casing: Fafao ny monitor casing with a soft, dry cloth. Avoid using strong detergents or solvents.
- rivotra: Ensure the monitor's ventilation slots are clear and not obstructed to prevent overheating.
- Mamono hery: Always turn off the monitor and unplug it from the power outlet before cleaning or if it will not be used for an extended period.
8. Famahana olana
Raha sendra olana amin'ny monitor-nao ianao dia jereo ireto dingana famahana olana mahazatra ireto:
- Tsy misy hery:
- Ataovy azo antoka fa mifandray tsara amin'ny efijery sy amin'ny faladia ny tariby herinaratra.
- Verify the power outlet is functioning correctly by plugging in another device.
- Tsy misy famantarana:
- Check that the video cable (DP or HDMI) is securely connected to both the monitor and your computer's graphics card.
- Ensure the correct input source is selected on the monitor via the OSD menu.
- Andramo amin'ny tariby na seranana video hafa raha misy.
- Ecran mitsilopilopy:
- Jereo ny tariby vidéo raha misy fahasimbana na fifandraisana mivaha.
- Amboary ny tahan'ny fanavaozana (refresh rate) ao amin'ny fikirana fampisehoana ao amin'ny solosainao.
- Disable Adaptive Sync temporarily to see if the issue persists.
- Image Quality Issues (Blurry, Distorted Colors):
- Ensure the monitor's resolution is set to its native 2560x1440 in your computer's display settings.
- Reset the monitor to factory settings via the OSD menu.
- Adjust color settings (brightness, contrast, color temperature) in the OSD.
9. Warranty sy fanohanana
Your KOORUI G2721X monitor is backed by a Garantie panel 1 taona SY 3-year accessory coverage. Please note that terms and conditions apply to the warranty. For detailed warranty information or technical assistance, please refer to the official KOORUI webtranokala na mifandray mivantana amin'ny fanohanan'ny mpanjifany.
If you have any questions or require further assistance, please do not hesitate to reach out to KOORUI customer support.





