1. Introducció
This manual provides essential information for the safe and efficient operation of your KOORUI S2721XO 27-inch QD-OLED Gaming Monitor. Please read it thoroughly before using the product and retain it for future reference.
The KOORUI S2721XO is a high-performance QD-OLED gaming monitor designed to deliver exceptional visual clarity and responsiveness. Featuring a 27-inch QHD (2560x1440) display, a 240Hz refresh rate, and an ultra-fast 0.03ms response time, it is optimized for immersive gaming and demanding visual tasks. The monitor also supports AdaptiveSync, 99% DCI-P3 color gamut, and HDR True Black 400 for vibrant, true-to-life colors and deep contrasts. Its ergonomic stand offers extensive adjustability, and VESA compatibility allows for flexible mounting options.
2. Contingut del paquet
Verifiqueu que tots els elements que s'enumeren a continuació siguin presents a l'embalatge del producte:
- KOORUI S2721XO 27-inch Monitor
- Adaptador d'alimentació
- Cable DisplayPort
- Manual d'usuari (aquest document)
3. Configuració
3.1 Muntatge del suport
The monitor stand consists of two main parts: the stand base and the stand column. Carefully connect these two parts by sliding them together until they securely lock. Then, attach the assembled stand to the back of the monitor display. Ensure the stand is firmly seated and locked into the slot on the monitor's rear panel before placing the monitor on a surface. Improper assembly may lead to instability.

Image: Monitor stand demonstrating various ergonomic adjustments.
3.2 Connexió del monitor
Connect the monitor to your computer or other devices using the provided cables. The monitor features multiple input ports:
- Cable de corrent: Connecteu l'adaptador de corrent a l'entrada de CC del monitor i després a una presa de corrent.
- HDMI 2.1 (x2): Feu servir un cable HDMI per connectar dispositius que admetin una sortida HDMI.
- DisplayPort 1.4: Use the included DisplayPort cable for optimal performance with compatible graphics cards.
- Interfície de sortida d'àudio: Connect external headphones or speakers via the 3.5mm audio jack.

Image: Rear panel connectivity ports.
3.3 Encès inicial
After connecting all necessary cables, press the power button, usually located on the back or bottom of the monitor, to turn it on. The monitor should automatically detect the input signal. If not, you may need to manually select the input source using the On-Screen Display (OSD) joystick.
4. Funcionament
4.1 Basic Controls (OSD Joystick)
The monitor's settings are controlled via a single OSD joystick, typically located on the rear panel. This joystick allows you to navigate through menus and adjust various display parameters.
- Premsa: Power on/off, select menu item.
- Amunt avall: Navega per les opcions del menú, ajusta els valors.
- Esquerra/Dreta: Navega per les opcions del menú, ajusta els valors.

Image: OSD Joystick design detail.
4.2 Configuració de la pantalla
Access the OSD menu to configure display settings for optimal viewexperiència de joc i joc.
- Resolució: The native resolution is QHD (2560x1440). Ensure your device's output resolution matches for the sharpest image.
- Freqüència d'actualització: Set your device's refresh rate to 240Hz for the smoothest motion. This can usually be adjusted in your operating system's display settings.
- AdaptiveSync: Enable AdaptiveSync in the OSD menu and on your graphics card settings to synchronize the monitor's refresh rate with your GPU's frame rate, reducing screen tearing and stuttering.
- HDR True Black 400: This monitor is VESA DisplayHDR True Black 400 certified. Enable HDR in your operating system settings for enhanced contrast and brightness in compatible content.
- Configuració de color: Adjust brightness, contrast, color temperature, and gamma to your preference. The monitor supports 99% DCI-P3 for accurate color reproduction.

Image: Visual representation of vivid color performance.
4.3 Ajustaments ergonòmics
The monitor stand offers comprehensive ergonomic adjustments to enhance comfort during use:
- Ajust d'alçada: Adjust the monitor's height to eye level to reduce neck strain.
- Inclinació: Tilt the screen forwards or backwards to find your preferred viewangle de ing.
- Girar: Gireu el monitor horitzontalment per compartir la pantalla o ajustar la viewposició d'ingrés.
- Pivot: Rotate the screen 90 degrees to portrait mode, ideal for coding or document viewing.

Image: Ergonomic stand adjustments.
4.4 Muntatge VESA
For alternative mounting solutions, the monitor is VESA compatible (100x100mm). This allows you to attach it to a compatible monitor arm or wall mount (sold separately) for greater flexibility and desk space optimization.

Image: Monitor demonstrating VESA mount compatibility.
5. Manteniment
- Neteja de la pantalla: Netegeu suaument la pantalla amb un drap suau i sense borrissol. Per a marques difícils, netegeu suaument.ampNetegeu el drap amb aigua o una solució netejadora de pantalles. Eviteu utilitzar productes químics agressius o materials abrasius.
- Neteja de la Casing: Feu servir un drap suau i sec per netejar la part frontal del monitor.asing.
- Ventilació: Assegureu-vos que les obertures de ventilació del monitor estiguin clares i sense obstruccions per evitar el sobreescalfament.
- Apagar: Apagueu sempre el monitor i desendolleu-lo de la presa de corrent abans de netejar-lo o si no l'heu d'utilitzar durant un període prolongat.
6. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| No hi ha imatge a la pantalla | Power cable disconnected, input source incorrect, video cable loose. | Check power connections. Select correct input source via OSD. Reconnect video cable securely. |
| La imatge és borrosa o distorsionada | Incorrect resolution, refresh rate mismatch. | A la configuració de pantalla del dispositiu, definiu la resolució de la pantalla a 2560 x 1440 i la freqüència d'actualització a 240 Hz. |
| No sound from external speakers/headphones | Audio cable disconnected, volume too low, incorrect audio output selected on device. | Ensure audio cable is connected. Adjust volume. Select monitor as audio output on your device. |
| Pantalla trencada o entretallat en jocs | AdaptiveSync not enabled. | Enable AdaptiveSync in the monitor's OSD menu and your graphics card control panel. |
7. Especificacions
| Característica | Detall |
|---|---|
| Número de model | S2721XO |
| Mida de la pantalla | 27 polzades |
| Tipus de panell | QD-OLED |
| Resolució | QHD (2560x1440 Pixels) |
| Freqüència d'actualització | 240 Hz |
| Temps de resposta | 0.03ms (GTG) |
| Sincronització adaptativa | Admet |
| Gamma de colors | 99% DCI-P3 |
| Suport HDR | HDR True Black 400 (VESA Certified) |
| Connectivitat | 2x HDMI 2.1, 1x DisplayPort 1.4, 1x Audio Output |
| Ergonomia | Height, Pivot, Tilt, Swivel Adjustability |
| Compatibilitat VESA | 100x100mm |
| Dimensions del producte (amb suport) | 8.5 x 24.02 x 20.54 polzades |
| Pes de l'article | 20.5 lliures |
8. Garantia i Suport
Your KOORUI S2721XO monitor comes with a Garantia limitada de 3 anys. For warranty claims or technical assistance, please contact KOORUI Technical Customer Support. Refer to the official KOORUI website or your purchase documentation for the most current support contact information.
9. Producte acabatview Vídeo
Mireu el producte oficialview video for a visual guide to the KOORUI S2721XO monitor's features and capabilities.
Video: Official KOORUI S2721XO QD-OLED Monitor Overview. This video highlights key features such as the QD-OLED display, 240Hz refresh rate, 0.03ms response time, HDR True Black 400, multiple connectivity ports, and ergonomic adjustments.





