1. Bubuka
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. Eusi Paket
Pastikeun yén sadaya barang anu didaptarkeun di handap aya dina bungkusan produk anjeun:
- KOORUI S2721XO 27-inch Monitor
- Adaptor kakuatan
- Kabel DisplayPort
- Manual pangguna (dokumén ieu)
3. Setélan
3.1 Ngarakit 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 Nyambungkeun Monitor
Connect the monitor to your computer or other devices using the provided cables. The monitor features multiple input ports:
- Kakuatan Kabel: Connect the power adapter to the monitor's DC input and then to a power outlet.
- HDMI 2.1 (x2): Anggo kabel HDMI pikeun nyambungkeun ka alat anu ngadukung kaluaran HDMI.
- DisplayPort 1.4: Use the included DisplayPort cable for optimal performance with compatible graphics cards.
- Panganteur Kaluaran Audio: Connect external headphones or speakers via the 3.5mm audio jack.

Gambar: palabuhan konektipitas panel pungkur.
3.3 Daya Awal Hurung
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. Nyuping
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.
- Pencét: Power on/off, select menu item.
- Naek turun: Navigate menu options, adjust values.
- Kénca/Katuhu: Navigate menu options, adjust values.

Image: OSD Joystick design detail.
4.2 Setélan tampilan
Access the OSD menu to configure display settings for optimal viewpangalaman jeung kaulinan.
- Resolusi: The native resolution is QHD (2560x1440). Ensure your device's output resolution matches for the sharpest image.
- Laju Refresh: 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.
- Setélan warna: 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 Pangaluyuan ergonomic
The monitor stand offers comprehensive ergonomic adjustments to enhance comfort during use:
- Penyesuaian Jangkungna: Adjust the monitor's height to eye level to reduce neck strain.
- Dengdekkeun: Dengdekkeun layar ka hareup atawa ka tukang pikeun manggihan nu dipikahoyong viewsudut ing.
- Putar: Puterkeun monitor sacara horizontal pikeun ngabagikeun layar anjeun atanapi nyaluyukeun viewdina posisi.
- Pangsi: Puterkeun layar 90 derajat ka modeu potret, idéal pikeun ngoding atanapi ngadokumentasikeun viewing.

Image: Ergonomic stand adjustments.
4.4 VESA Pamasangan
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. Pangropéa
- Ngabersihan layar: Ngusap layar nganggo kaén anu lembut sareng teu aya serat. Pikeun tanda pengkuh, enteng dampen lawon kalayan cai atanapi solusi beberesih layar. Ulah make bahan kimia kasar atawa bahan abrasive.
- Ngabersihan Casing: Anggo kaén anu lembut sareng garing pikeun ngabersihan monitor casing.
- Ventilasi: Ensure the monitor's ventilation openings are clear and unobstructed to prevent overheating.
- Pareum listrik: Salawasna pareumkeun monitor sareng cabut colokan tina stop kontak sateuacan beberesih atanapi upami teu dianggo kanggo waktos anu panjang.
6. Cara ngungkulan
| Masalah | Mungkin Cukang lantaranana | Solusi |
|---|---|---|
| Henteu aya gambar dina layar | Power cable disconnected, input source incorrect, video cable loose. | Check power connections. Select correct input source via OSD. Reconnect video cable securely. |
| Gambar buram atanapi menyimpang | 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. |
| Layar tearing atanapi ngagagap dina kaulinan | AdaptiveSync not enabled. | Enable AdaptiveSync in the monitor's OSD menu and your graphics card control panel. |
7. Spésifikasi
| Fitur | Rincian |
|---|---|
| Nomer modél | S2721XO |
| Ukuran layar | 27 inci |
| Tipe Panel | QD-OLED |
| Resolusi | QHD (2560x1440 Pixels) |
| Refresh Laju | 240Hz |
| Waktu Tanggapan | 0.03 ms (GTG) |
| Sync adaptif | Dirojong |
| Warna Gamut | 99% DCI-P3 |
| Rojongan HDR | HDR True Black 400 (VESA Certified) |
| Konektipitas | 2x HDMI 2.1, 1x DisplayPort 1.4, 1x Audio Output |
| Érgonomi | Height, Pivot, Tilt, Swivel Adjustability |
| Kasaluyuan VESA | 100 x 100 mm |
| Ukuran produk (kalayan stand) | 8.5 x 24.02 x 20.54 inci |
| Item Beurat | 20.5 pon |
8. Garansi jeung Rojongan
Your KOORUI S2721XO monitor comes with a 3-Taun jaminan kawates. For warranty claims or technical assistance, please contact KOORUI Technical Customer Support. Refer to the official KOORUI websitus atanapi dokuméntasi pameseran anjeun kanggo inpormasi kontak pangrojong paling anyar.
9. Produk Langkungview Video
Mangga tingali produk resmi naview 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.





