1. Introdución
This manual provides detailed instructions for the KOORUI E2212H 21.5-inch monitor. Designed for both business and entertainment, this monitor features a 120Hz refresh rate, 5ms OD response time, and a Full HD VA panel. It includes essential functions for daily use, ensuring an optimal viewexperiencia ing.

Image: The KOORUI E2212H monitor showcasing its vibrant display capabilities with abstract art.
2. Características do produto
- Rendemento óptimo: 21.5-inch Full HD (1920x1080) VA panel with a 120Hz refresh rate and 5ms OD response time for smooth visuals.
- Pantalla vibrante: 3000:1 contrast ratio, 250nit brightness, and 99% sRGB color gamut (16.7 million colors, 8Bit) for rich and accurate colors.
- Tecnoloxía do coidado dos ollos: Features Blue Light Reduction and Flicker-Free technology to minimize eye strain during prolonged use.
- Sincronización adaptativa: Supports Adaptive Sync to eliminate screen tearing and stuttering for a fluid experience, especially in gaming.
- Axustable Viewing: Tilt adjustment from -5° to 15° for comfortable viewángulos de inflexión.
- Conectividade: Equipped with 1 HDMI (1.4) port and 1 VGA port for versatile connections.
- Compatible con soporte VESA: Supports VESA mount (100x100mm) for flexible installation options.
- Deseño compacto: Slim profile with approximate dimensions of 495x286x43mm and a weight of 1.95kg.
3. Instrucións de configuración
3.1 Desembalaxe e contido da embalaxe
Carefully remove all components from the packaging. Please verify that all listed accessories are present.
- KOORUI E2212H Monitor
- Soporte para monitor (base e pescozo)
- Cable HDMI (1.4)
- Adaptador de alimentación
- Manual de usuario

Image: Unpacking the monitor and verifying included accessories such as the HDMI cable, power adapter, and stand components.
3.2 Montaxe do soporte
The monitor stand can be assembled without tools. Follow these steps:
- Insert the stand neck into the base until it clicks securely.
- Aliñe o soporte montado coa ranura de montaxe na parte traseira do monitor.
- Gently push the monitor onto the stand until it locks into place.

Image: Visual guide showing the four steps for assembling the monitor stand and attaching it to the display, including the tilt adjustment range.
3.3 Conectar o monitor
Connect the monitor to your computer or other devices using the provided cables.
- Connect one end of the HDMI cable to the HDMI port on your computer and the other end to the HDMI port on the monitor. Alternatively, use a VGA cable for VGA connections.
- Conecta o adaptador de corrente á entrada de alimentación do monitor e logo conéctao a unha toma de corrente.

Image: Diagram illustrating the HDMI and VGA input ports on the back of the monitor, showing how to connect to various devices like PCs, DVD players, and game consoles.
3.4 Guía de vídeo de configuración
For a visual guide on setting up your KOORUI 21.5-inch monitor, please watch the video below:
Video: A step-by-step guide demonstrating the assembly and initial setup of the KOORUI 21.5-inch monitor.
4. Instrucións de funcionamento
4.1 Encendido/apagado
Locate the power button, typically on the back or bottom right side of the monitor. Press it to turn the monitor on or off.
4.2 Menú de visualización en pantalla (OSD).
The OSD menu allows you to adjust various display settings. Use the buttons on the back or bottom of the monitor to navigate the menu.
- Brillo/Contraste: Adjust the luminance and contrast levels.
- Configuración de cor: Modificar a temperatura da cor, o ton e a saturación.
- Selección de entrada: Cambiar manualmente entre as entradas HDMI e VGA.
- Modos de imaxe: Select from preset modes like Standard, RTS, FPS, and Movie for optimized viewing.
- Coidados dos ollos: Enable or disable Blue Light Reduction and Flicker-Free features.

Image: The monitor displaying different picture modes (Standard, RTS, FPS, Movie) to illustrate how varied settings can enhance the viewing experience for different content.
4.3 Características do coidado dos ollos
The KOORUI E2212H monitor incorporates eye-friendly technologies to reduce visual fatigue:
- Redución da luz azul: Filters out harmful blue light emissions, which can contribute to eye strain and sleep disruption. Activate this feature through the OSD menu.
- Sen parpadeos: Eliminates screen flickering at all brightness levels, providing a more comfortable viewing experience. This feature is always active.

Image: A visual comparison demonstrating the effect of blue light reduction and flicker-free technology on the monitor display, highlighting the eye-friendly design.
5. Mantemento
5.1 Limpeza do monitor
To maintain optimal display quality, regularly clean your monitor:
- Apague sempre o monitor e desconecte o cable de alimentación antes de limpalo.
- Use un pano suave e sen pelusa lixeiramente damplavado con auga ou cun limpador de pantallas non abrasivo.
- Limpe a pantalla con suavidade. Evite aplicar unha presión excesiva.
- Non empregues alcol, amoníaco nin produtos de limpeza abrasivos, xa que poden danar a superficie da pantalla.
5.2 Coidados xerais
- Evite colocar o monitor á luz solar directa ou preto de fontes de calor.
- Asegure unha ventilación adecuada ao redor do monitor para evitar o sobreenriquecido.
- Non coloque obxectos pesados sobre o monitor nin sobre os seus cables.
6 Solución de problemas
Se tes problemas co monitor, consulta os seguintes pasos habituais para a resolución de problemas:
- Sen enerxía: Asegúrate de que o cable de alimentación estea conectado correctamente tanto ao monitor como á toma de corrente. Comproba se a toma de corrente funciona.
- Sen sinal: Verify that the video cable (HDMI or VGA) is correctly connected to both the monitor and your computer. Ensure the correct input source is selected in the OSD menu.
- Pantalla parpadeante: Confirm that the video cable is securely connected. Try adjusting the refresh rate settings on your computer. Ensure Flicker-Free mode is active (it should be by default).
- Mala calidade de imaxe: Adjust brightness, contrast, and color settings via the OSD menu. Ensure the display resolution on your computer matches the monitor's native resolution (1920x1080).
- Botóns que non responden: Unplug the monitor's power cable, wait for a few seconds, and then plug it back in to reset the monitor.
Se o problema persiste despois de probar estes pasos, ponte en contacto co servizo de atención ao cliente.
7. Especificacións
| Característica | Especificación |
|---|---|
| Marca | KOORUI |
| Número de modelo | E2212H |
| Tamaño da pantalla | 21.5 polgadas |
| Tipo de panel | Panel VA |
| Resolución | 1920 x 1080 (Full HD) |
| Relación de aspecto | 16:9 |
| Taxa de actualización | 120 Hz |
| Tempo de resposta (OD) | 5 ms |
| Relación de contraste | 3000:1 |
| Brillo | 250 nits |
| Gama de cores | 99% sRGB, 16.7 Million Colors, 8-Bit |
| Tratamento de superficies | Sen brillo |
| Portos de entrada | 1x HDMI (1.4), 1x VGA |
| Monte VESA | 100 x 100 mm |
| Axuste de inclinación | -5° a 15° |
| Dimensións do produto (AnxAxP) | Aprox. 495 x 286 x 43 mm |
| Peso do produto | 1.95 kg |
| Altofalantes | Non equipado |
8. Garantía e soporte
KOORUI provides the following warranty for this product:
- Pantalla do monitor: Garantía de 1 anos desde a data de compra.
- Outros accesorios: Garantía de 3 anos desde a data de compra.
For any product-related issues or inquiries, please contact KOORUI customer support. Monitors are collected and recycled free of charge by KOORUI.
Conserve o comprobante de compra para reclamacións de garantía.





