1. Ynlieding
Thank you for choosing the KOORUI E2721F 27-inch QHD Monitor. This monitor is designed to provide a superior visual experience with its 2560 x 1440 resolution, 100Hz refresh rate, and 1ms response time IPS panel. It features Adaptive Sync technology for smooth visuals, HDMI 2.0 connectivity, and Eye Care technology to reduce eye strain during extended use. This manual will guide you through the setup, operation, and maintenance of your new monitor.

figuer 1.1: Front view of the KOORUI E2721F 27-inch QHD monitor, showcasing its slim bezels and included stand.
2. Safety Information
Please read all instructions carefully before using the monitor. Keep this manual for future reference.
- Plak de monitor net op in ynstabile karre, stean of tafel.
- Blokkearje fentilaasje-iepeningen net.
- Do not use near water or in high-humidity environments.
- Brûk allinnich de stroomadapter dy't troch de fabrikant levere is.
- Lûk de stekker fan 'e monitor út it stopkontakt by tongerbuien of as jo it lange perioaden net brûke.
- Ferwize alle service oan kwalifisearre servicepersoniel.
3. Package Ynhâld
Verify that all items are present and in good condition. If any items are missing or damaged, please contact your retailer.
- KOORUI E2721F 27-inch QHD Monitor
- Monitorstân (basis en nekke)
- Stromadapter
- HDMI Kabel
- User Manual
4. Opsette
4.1 De standert gearstalle
- Plak de monitor foarsichtich mei de foarkant nei ûnderen op in sêft, skjin oerflak om krassen te foarkommen.
- Attach the stand neck to the back of the monitor.
- Attach the stand base to the neck and secure it with the provided screws.
Noat: The monitor also supports VESA mount (100x100mm) for alternative mounting solutions.
4.2 Connecting Cables
Connect the necessary cables to the corresponding ports on the monitor and your computer.
- HDMI: Ferbine it iene ein fan 'e HDMI-kabel mei de HDMI-poarte fan 'e monitor en it oare ein mei de HDMI-poarte fan jo kompjûter.
- VGA: (If applicable) Connect a VGA cable to the monitor's VGA port and your computer's VGA port.
- Audio út: Connect external speakers or headphones to the audio output port if desired.
- Krêft: Ferbine de stroomadapter mei de stroomynfier fan 'e monitor, en stek it netsnoer dan yn in stopkontakt.

figuer 4.1: Side view of the KOORUI E2721F monitor, highlighting the various input and output ports available for connection.
4.3 Initial Power On
Press the power button on the monitor. The power indicator light will illuminate, and the display will turn on.
5. Bedriuwsinstruksjes
5.1 Adjusting the Monitor Angle
The monitor supports a tilt range of -5° to +15°. Gently adjust the screen to your preferred viewyn hoeke.
5.2 On-Screen Display (OSD) Menu
Use the buttons on the monitor (usually located on the back or bottom right) to access and navigate the OSD menu.
- Power knop: Skeakelt de monitor oan/út.
- Menuknop: Iepenet it OSD-menu.
- Navigaasjeknoppen: Brûkt om troch menu-opsjes te blêdzjen en wearden oan te passen.
- Utgongsknop: Slút it OSD-menu.
5.3 Ofbylding ynstellings
Within the OSD menu, you can adjust various picture settings:
- Helderheid: Past de algemiene luminânsje fan it skerm oan.
- Kontrast: Kontrolearret it ferskil tusken ljochte en tsjustere gebieten.
- Kleurtemperatuer: Selects preset color modes (e.g., Warm, Cool, User).
- Ynfierboarne: Manually select between HDMI or VGA inputs.
5.4 Adaptive Sync
The monitor supports Adaptive Sync technology. Ensure your graphics card also supports this feature and that it is enabled in your graphics card settings for tear-free and stutter-free gaming.
5.5 Eachsoarchtechnology
The KOORUI E2721F features low blue light emission to reduce eye fatigue. This mode can typically be enabled or adjusted through the OSD menu for comfortable viewing during prolonged use.
6. Underhâld
6.1 Skjinmeitsjen fan de monitor
- Skeakelje de monitor altyd út foardat jo skjinmeitsje.
- Brûk in sêft, pluisfrij doek licht dampskjinmakke mei wetter of in mylde, net-skurende skermreiniger.
- Spuit de reiniger net direkt op it skerm.
- Avoid using alcohol, ammonia, or abrasive cleaners.
6.2 Behanneling en opslach
- Avoid touching the screen directly with your fingers or sharp objects.
- When moving the monitor, hold it by the base or edges, not by the screen.
- Bewarje de monitor op in koel, droech plak, fuort fan direkt sinneljocht en ekstreme temperatueren.
7. Probleemoplossing
| Probleem | Mooglike oarsaak | Oplossing |
|---|---|---|
| Gjin ôfbylding op it skerm |
|
|
| Ofbylding is wazig of ferfoarme |
|
|
| No sound from external speakers |
|
|
| Adaptive Sync not working |
|
|
8. Spesifikaasjes
| Merk | KOORUI |
| Model Number | E2721H (as per product specifications, main product is E2721F) |
| Skermgrutte | 27 ynms |
| Resolúsje | QHD 2560 x 1440 |
| Panel Type | IPS |
| Ferfarskje Rate | 100 Hz |
| Response Tiid | 1 ms |
| Aspect Ratio | 16:9 |
| Kontrast Ratio | 2000:1 |
| Konnektivität | HDMI 1.4, VGA, Audio Out |
| VESA Mount Kompatibilität | 100 x 100 mm |
| Tilt Oanpassing | -5° oant +15° |
| Kleur | Swart |
| Produkt ôfmjittings (B x D x H) | 61.34 cm x 18.5 cm x 46.05 cm (approx. with stand) |
For detailed product information and energy efficiency data, please refer to the official EPREL database: https://eprel.ec.europa.eu/qr/2183420
9. Garânsje en stipe
The KOORUI E2721F monitor comes with a 2 jier fabryksgarânsje. Dizze garânsje dekt defekten yn materialen en fakmanskip ûnder normaal gebrûk.
For technical support, warranty claims, or any inquiries regarding your product, please contact KOORUI customer service:
- E-post: eurep@eurep-gmbh.com
- Tillefoan: +49 841 8869 7744
- Fabrikant: EUREP GmbH, Unterlettenweg 1a, 85051 Ingolstadt, Dútslân
Please have your monitor's model number (E2721H) and purchase information ready when contacting support.