1. Bubuka
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.

Gambar 1.1: Hareupeun view of the KOORUI G2721X monitor, showcasing bezels ramping na nangtung.
2. Eusi Paket
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)
- Buku Panduan (x1)
- DisplayPort (DP) Cable (x1)
- Adaptor Daya (x1)
3. Produk Langkungview
3.1 Fitur konci
- tampilan: 27-inch QHD (2560x1440) resolution for crisp visuals.
- Laju Refresh: Up to 260Hz (supports 240Hz) for smooth gameplay.
- Waktu ngaréspon: 1ms (GTG) for minimal motion blur.
- Tipe Panel: Fast IPS for vibrant colors and wide viewdina sudut.
- Rojongan HDR: HDR400 for enhanced contrast and brightness.
- Singkronisasi adaptif: Eliminates screen tearing and stuttering.
- Warna Gamut: 99% sRGB and 90% DCI-P3 for accurate color reproduction.

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

Gambar 3.2: Tukangeun view of the monitor detailing port locations and physical adjustments.
4. Setélan
4.1 Pamasangan nangtung
- 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.
- Teundeun monitor dirakit dina stabil, permukaan datar.
4.2 Sambungan kabel
- 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 Pituduh Pidéo: Pamasangan sareng Fitur
Watch this video for a visual guide on installing the monitor stand and an overview fitur na.
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. Parentah Operasi
5.1 Napigasi dina-layar (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.
- gancang: 3ms response time.
- ekstrim: 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 Singkronisasi adaptif
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 Rojongan HDR400
With HDR400 support, the monitor delivers brighter colors, deeper blacks, and enhanced contrast, providing a more immersive visual experience in compatible content.
5.6 Modeu Kaulinan
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.

Gambar 5.3: Kelamples of the monitor's dedicated game modes.
6. Spésifikasi
| Fitur | Spésifikasi |
|---|---|
| Nomer modél | G2721X |
| Ukuran layar | 27 inci |
| Tipe Panel | IPS gancang |
| Resolusi | 2560 x 1440 (QHD) |
| Refresh Laju | 260Hz (supports 240Hz) |
| Waktu Tanggapan | 1 ms (GTG) |
| Caang | 350 cd/m² (Nit) |
| Rojongan HDR | HDR400 |
| Warna Gamut | 99% sRGB, 90% DCI-P3 |
| Jerona Warna | 16.7 Juta Warna (8-bit) |
| Kapadetan piksel | 109 PPI |
| Rasio Aspék | 16:9 |
| Konektipitas | 2x HDMI 2.0, 1x DisplayPort 1.4, 1x Audio Out, 1x DC Power |
| Kasaluyuan VESA | 75 x 75 mm |
| Adjustment Dengdekkeun | -5 ° ka 20 ° |
| Diménsi Produk (W x D x H) | 24 x 8.46 x 18.59 inci |
| Item Beurat | 10.83 pon |
7. Pangropéa
Pangropéa anu leres mastikeun umur panjang sareng kinerja optimal monitor anjeun.
- Ngabersihan layar: Make kaen nu lemes, teu aya lint rada dampened with water or a specialized screen cleaner. Do not use alcohol-based cleaners or abrasive materials.
- Ngabersihan Casing: Ngusap monitor casing with a soft, dry cloth. Avoid using strong detergents or solvents.
- Ventilasi: Ensure the monitor's ventilation slots are clear and not obstructed to prevent overheating.
- Pareum listrik: Pareuman monitor teras cabut tina stop kontak sateuacan dibersihkeun atanapi upami moal dianggo kanggo waktos anu lami.
8. Cara ngungkulan
Upami anjeun mendakan masalah sareng monitor anjeun, tingali léngkah-léngkah ngungkulan umum ieu:
- Henteu aya kakuatan:
- Pastikeun kabel daya disambungkeun sacara aman ka monitor sareng stopkontak.
- Verify the power outlet is functioning correctly by plugging in another device.
- Henteu aya sinyal:
- Check that the video cable (DP or HDMI) is securely connected to both the monitor and your computer's graphics card.
- Pastikeun sumber input anu leres dipilih dina monitor ngalangkungan menu OSD.
- Tés nganggo kabel vidéo atanapi port anu béda upami sayogi.
- Layar kedip-kedip:
- Pariksa kabel video pikeun karuksakan atawa sambungan leupas.
- Atur laju refresh dina setélan tampilan komputer anjeun.
- 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. Garansi jeung Rojongan
Your KOORUI G2721X monitor is backed by a Garansi panel 1 taun jeung 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 websitus atanapi ngahubungan rojongan customer maranéhanana langsung.
If you have any questions or require further assistance, please do not hesitate to reach out to KOORUI customer support.





