1. Uvod
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.

Slika 1.1: Prednja strana view of the KOORUI G2721X monitor, showcasinnjegove tanke okvire i postolje.
2. Sadržaj paketa
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)
- Baza monitora (x1)
- Uputstvo za upotrebu (x1)
- DisplayPort (DP) Cable (x1)
- Adapter za napajanje (x1)
3. Proizvod je gotovview
3.1 Ključne karakteristike
- Prikaz: 27-inch QHD (2560x1440) resolution for crisp visuals.
- Brzina osvježavanja: Up to 260Hz (supports 240Hz) for smooth gameplay.
- Vrijeme odgovora: 1ms (GTG) for minimal motion blur.
- Tip panela: Fast IPS for vibrant colors and wide viewing angles.
- HDR podrška: HDR400 for enhanced contrast and brightness.
- Adaptivna sinhronizacija: Eliminates screen tearing and stuttering.
- Raspon boja: 99% sRGB and 90% DCI-P3 for accurate color reproduction.

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

Slika 3.2: Pozadi view of the monitor detailing port locations and physical adjustments.
4. Podešavanje
4.1 Instalacija postolja
- Pažljivo izvadite monitor i bazu iz ambalaže.
- 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.
- Postavite sastavljeni monitor na stabilnu, ravnu površinu.
4.2 Kabelske veze
- 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 njegovih karakteristika.
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. Uputstvo za upotrebu
5.1 Navigacija putem ekranskog menija (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:
- normalno: Vrijeme odziva 5ms.
- brzo: Vrijeme odziva 3ms.
- ekstremno: Vrijeme odziva 1ms.
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 Prilagodljiva sinhronizacija
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 Podrška za 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 načina igre
The G2721X includes dedicated game display modes to enhance your gaming experience:
- križić: Pruža prikaz križića na ekranu za poboljšanu preciznost ciljanja.
- Tajmer: 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.

Slika 5.3: Pramples of the monitor's dedicated game modes.
6. Specifikacije
| Feature | Specifikacija |
|---|---|
| Broj modela | G2721X |
| Veličina ekrana | 27 inča |
| Tip panela | Skoro IPS |
| Rezolucija | 2560 x 1440 (QHD) |
| Refresh Rate | 260Hz (podržava 240Hz) |
| Vrijeme odgovora | 1 ms (GTG) |
| Osvetljenost | 350 cd/m² (Nit) |
| HDR podrška | HDR400 |
| Gamut boja | 99% sRGB, 90% DCI-P3 |
| Dubina boje | 16.7 miliona boja (8-bita) |
| Gustina piksela | 109 PPI |
| Aspect Ratio | 16:9 |
| Povezivanje | 2x HDMI 2.0, 1x DisplayPort 1.4, 1x Audio Out, 1x DC Power |
| VESA kompatibilnost | 75x75mm |
| Podešavanje nagiba | -5° do 20° |
| Dimenzije proizvoda (Š x D x V) | 24 x 8.46 x 18.59 inča |
| Težina artikla | 10.83 funte |
7. Održavanje
Pravilno održavanje osigurava dugotrajnost i optimalne performanse vašeg monitora.
- Čišćenje ekrana: Koristite meku krpu koja ne ostavlja dlačiceampened with water or a specialized screen cleaner. Do not use alcohol-based cleaners or abrasive materials.
- Čišćenje C-aasing: Obrišite monitor casinObrišite mekom, suhom krpom. Izbjegavajte upotrebu jakih deterdženata ili rastvarača.
- ventilacija: Ensure the monitor's ventilation slots are clear and not obstructed to prevent overheating.
- Iskljuciti: Uvijek isključite monitor i iskopčajte ga iz strujne utičnice prije čišćenja ili ako ga nećete koristiti duži period.
8. Otkrivanje problema
Ako naiđete na probleme s monitorom, pogledajte sljedeće uobičajene korake za rješavanje problema:
- Nema napajanja:
- Provjerite je li kabel za napajanje sigurno spojen i na monitor i na utičnicu.
- Provjerite da li utičnica ispravno funkcioniše tako što ćete priključiti drugi uređaj.
- Nema signala:
- Check that the video cable (DP or HDMI) is securely connected to both the monitor and your computer's graphics card.
- Provjerite je li na monitoru odabran ispravan ulazni izvor putem OSD izbornika.
- Testirajte s drugim video kabelom ili priključkom ako je dostupan.
- Treperenje ekrana:
- Provjerite video kabel na oštećenja ili labave spojeve.
- Podesite brzinu osvježavanja u postavkama ekrana vašeg računara.
- 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. Garancija i podrška
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 webstranicu ili direktno kontaktirajte njihovu korisničku podršku.
If you have any questions or require further assistance, please do not hesitate to reach out to KOORUI customer support.





