1. Destpêk
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. Naveroka pakêtê
Piştrast bike ku hemû tiştên ku li jêr hatine navnîş kirin di pakêta berhema te de hene:
- KOORUI S2721XO 27-inch Monitor
- Power Adapter
- Kabloya DisplayPort
- Manual Bikarhêner (ev belge)
3. Sazkirin
3.1 Civîna Stand
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 Girêdana Monitor
Connect the monitor to your computer or other devices using the provided cables. The monitor features multiple input ports:
- Cable Power: Adaptora hêzê bi têketina DC ya monitorê ve girêbide û dû re jî bi priza hêzê ve girêbide.
- HDMI 2.1 (x2): Use an HDMI cable to connect to devices supporting HDMI output.
- DisplayPort 1.4: Use the included DisplayPort cable for optimal performance with compatible graphics cards.
- Navbera Derketina Deng: Connect external headphones or speakers via the 3.5mm audio jack.

Wêne: Portên girêdanê yên panela paşîn.
3.3 Hêza Destpêkê Li ser
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. Operasyon
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.
- Rojnamevanî: Power on/off, select menu item.
- Jor jêr: Navigate menu options, adjust values.
- Çep rast: Navigate menu options, adjust values.

Image: OSD Joystick design detail.
4.2 Mîhengên Display
Access the OSD menu to configure display settings for optimal viewing û tecrubeya lîstîkan.
- Çareserkirin: The native resolution is QHD (2560x1440). Ensure your device's output resolution matches for the sharpest image.
- Rêjeya Nûvekirinê: 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 Reş a Rastîn 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.
- Mîhengên Rengê: 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 Sererastkirinên Ergonomîk
The monitor stand offers comprehensive ergonomic adjustments to enhance comfort during use:
- Rêzkirina Bilindî: Adjust the monitor's height to eye level to reduce neck strain.
- Tilt Ji bo dîtina bijareya xwe, ekranê ber bi pêş an paş ve bizivirînin viewAngle.
- Swivel: Ji bo parvekirina ekrana xwe an jî rastkirina wê, monîtorê bi awayekî horizontî bizivirînin. viewhelwesta ing.
- Pivot: Rotate the screen 90 degrees to portrait mode, ideal for coding or document viewing.

Image: Ergonomic stand adjustments.
4.4 Çêkirina 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. Maintenance
- Paqijkirina ekranê: Ekranê bi qumaşek nerm û bê lîf bi nermî paqij bikin. Ji bo şopên serhişk, bi sivikî paqij bikin.ampQumaşê bi av an jî çareseriyeke paqijkirina ekranê bişon. Ji bikaranîna kîmyewiyên dijwar an jî madeyên aşındêr dûr bisekinin.
- Paqijkirina Casing: Ji bo paqijkirina ekrana monitorê qumaşek nerm û hişk bikar bînin.asing.
- Perwanekirin: Ji bo rêgirtina li germbûna zêde, piştrast bikin ku vebûnên hewakirinê yên monitorê vala û bê asteng in.
- Hêzdarkirin: Always power off the monitor and unplug it from the power outlet before cleaning or if it will be unused for an extended period.
6. Destpêkirin
| Pirsegirêk | Sedema gengaz | Çare |
|---|---|---|
| Li ser dîmenderê wêneyek tune | Power cable disconnected, input source incorrect, video cable loose. | Check power connections. Select correct input source via OSD. Reconnect video cable securely. |
| Wêne nezelal an jî tehrîkkirî ye | Incorrect resolution, refresh rate mismatch. | Set display resolution to 2560x1440 and refresh rate to 240Hz in your device's display settings. |
| 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. |
| Di lîstikan de şikest an jî lerizîna ekranê | AdaptiveSync not enabled. | Enable AdaptiveSync in the monitor's OSD menu and your graphics card control panel. |
7. Specifications
| Taybetî | Hûrî |
|---|---|
| Hejmara Model | S2721XO |
| Mezinahiya Screen | 27 Inches |
| Tîpa Panelê | QD-OLED |
| Resolution | QHD (2560x1440 Pixels) |
| Refresh Rate | 240Hz |
| Dema bersivê | 0.03 ms (GTG) |
| Syncê Adaptive | Piştgirî kirin |
| Gamut Reng | 99% DCI-P3 |
| Piştgiriya HDR | HDR True Black 400 (VESA Certified) |
| Têkilî | 2x HDMI 2.1, 1x DisplayPort 1.4, 1x Audio Output |
| Ergonomîk | Height, Pivot, Tilt, Swivel Adjustability |
| Compatibility VESA | 100x100mm |
| Pîvanên Berhemê (bi standê re) | 8.5 x 24.02 x 20.54 inches |
| Babetê Weight | 20.5 lîre |
8. Garantî û Piştgirî
Your KOORUI S2721XO monitor comes with a 3-Sal Garantiya Limited. 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. Hilbera Serîview Video
Watch the official product overview 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.





