1. Introducció
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.

Figura 1.1: Frontal view of the KOORUI G2721X monitor, showcasing els seus bisells prims i el suport.
2. Contingut del paquet
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)
- Base del monitor (x1)
- Manual d'instruccions (x1)
- Cable DisplayPort (DP) (x1)
- Adaptador de corrent (x1)
3. Producte acabatview
3.1 Característiques clau
- Visualització: 27-inch QHD (2560x1440) resolution for crisp visuals.
- Freqüència d'actualització: Up to 260Hz (supports 240Hz) for smooth gameplay.
- Temps de resposta: 1ms (GTG) for minimal motion blur.
- Tipus de panell: Fast IPS for vibrant colors and wide viewangles d'ajust.
- Suport HDR: HDR400 for enhanced contrast and brightness.
- Sincronització adaptativa: Eliminates screen tearing and stuttering.
- Gamma de colors: 99% sRGB and 90% DCI-P3 for accurate color reproduction.

Figure 3.1: Visual representation of the monitor's core features.
3.2 Ports i controls
The monitor features a variety of input and output ports for versatile connectivity, along with an intuitive control system.
- Entrades de vídeo: Two HDMI 2.0 ports, one DisplayPort 1.4 port.
- Sortida d'àudio: One 3.5mm audio jack.
- Entrada d'alimentació: One DC power port.
- Control: A 5-way joystick located on the rear for On-Screen Display (OSD) navigation.
- Disseny: Hawk-wing backplate with integrated cooling stripes for efficient heat dissipation.

Figura 3.2: posterior view of the monitor detailing port locations and physical adjustments.
4. Configuració
4.1 Instal·lació de l'estand
- Traieu amb cura el monitor i la base de l'embalatge.
- 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.
- Col·loqueu el monitor muntat sobre una superfície plana i estable.
4.2 Connexions de cable
- 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 de les seves característiques.
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. Instruccions de funcionament
5.1 Navegació en pantalla (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 response time.
- Ràpid: 3ms response time.
- Extrem: 1ms response time.
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 Sincronització adaptativa
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.
Compatibilitat amb HDR400 5.5
With HDR400 support, the monitor delivers brighter colors, deeper blacks, and enhanced contrast, providing a more immersive visual experience in compatible content.
5.6 modes de joc
The G2721X includes dedicated game display modes to enhance your gaming experience:
- Punt de mira: Proporciona una creu a la pantalla per millorar la precisió de l'apuntament.
- Temporitzador: 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.

Figura 5.3: Examples of the monitor's dedicated game modes.
6. Especificacions
| Característica | Especificació |
|---|---|
| Número de model | G2721X |
| Mida de la pantalla | 27 polzades |
| Tipus de panell | IPS ràpid |
| Resolució | 2560 x 1440 (QHD) |
| Freqüència d'actualització | 260 Hz (admet 240 Hz) |
| Temps de resposta | 1ms (GTG) |
| Brillantor | 350 cd/m² (nit) |
| Suport HDR | HDR400 |
| Gamma de colors | 99% sRGB, 90% DCI-P3 |
| Profunditat de color | 16.7 milions de colors (8 bits) |
| Densitat de píxels | 109 PPI |
| Relació d'aspecte | 16:9 |
| Connectivitat | 2x HDMI 2.0, 1x DisplayPort 1.4, 1x Audio Out, 1x DC Power |
| Compatibilitat VESA | 75x75mm |
| Ajust d'inclinació | -5° a 20° |
| Dimensions del producte (W x D x H) | 24 x 8.46 x 18.59 polzades |
| Pes de l'article | 10.83 lliures |
7. Manteniment
Un manteniment adequat garanteix la longevitat i el rendiment òptim del monitor.
- Neteja de la pantalla: Utilitzeu un drap suau i sense pelusa lleugerament dampened with water or a specialized screen cleaner. Do not use alcohol-based cleaners or abrasive materials.
- Neteja de la Casing: Netegeu el monitor casing with a soft, dry cloth. Avoid using strong detergents or solvents.
- Ventilació: Ensure the monitor's ventilation slots are clear and not obstructed to prevent overheating.
- Apagar: Apagueu sempre el monitor i desendolleu-lo de la presa de corrent abans de netejar-lo o si no el fareu servir durant un període prolongat.
8. Solució De Problemes
Si teniu problemes amb el monitor, consulteu els passos habituals següents per a la resolució de problemes:
- Sense energia:
- Assegureu-vos que el cable d'alimentació estigui connectat correctament tant al monitor com a la presa de corrent.
- Verify the power outlet is functioning correctly by plugging in another device.
- Sense senyal:
- Check that the video cable (DP or HDMI) is securely connected to both the monitor and your computer's graphics card.
- Assegureu-vos que la font d'entrada correcta estigui seleccionada al monitor mitjançant el menú OSD.
- Prova amb un cable o port de vídeo diferent si està disponible.
- Pantalla parpellejant:
- Comproveu si el cable de vídeo està danyat o connexions soltes.
- Ajusta la freqüència d'actualització a la configuració de la pantalla de l'ordinador.
- Desactiveu temporalment la sincronització adaptativa per veure si el problema persisteix.
- Problemes de qualitat d'imatge (colors borrosos i distorsionats):
- Ensure the monitor's resolution is set to its native 2560x1440 in your computer's display settings.
- Restableix el monitor a la configuració de fàbrica mitjançant el menú OSD.
- Ajusteu la configuració del color (brillantor, contrast, temperatura del color) a l'OSD.
9. Garantia i Suport
Your KOORUI G2721X monitor is backed by a 1-year panel warranty i 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 weblloc web o contacteu directament amb el seu servei d'atenció al client.
If you have any questions or require further assistance, please do not hesitate to reach out to KOORUI customer support.