Introdución
This manual provides instructions for setting up, operating, and maintaining your Acer Wireless Mouse OMR243 and Acer Slim Wireless Mouse OMR242. Please read this guide thoroughly to ensure proper use and to maximize the performance of your devices.

Image: The Acer OMR243 (right) and OMR242 (left) wireless mice, along with their respective USB receivers.
Configuración
Both the OMR243 and OMR242 mice are designed for easy plug-and-play installation. No additional drivers are typically required for basic functionality.
1. Instalación da batería
Each mouse requires batteries for operation. The OMR242 mouse, for example, uses AAA batteries. To install:
- Localiza o compartimento da batería na parte inferior do rato.
- Abra a tapa do compartimento da batería.
- Insert the required batteries (e.g., 2 x AAA for OMR242) ensuring correct polarity (+/-).
- Pecha a tapa do compartimento da batería de forma segura.

Image: An illustration of the Acer OMR242 mouse, highlighting its buttons, scroll wheel, power switch, sensor, battery compartment for 2x AAA batteries, and the storage location for the USB receiver.
2. Conexión do receptor USB
The USB receiver is typically stored within the mouse's battery compartment for convenience during transport. To connect:
- Retire o receptor USB da súa ranura de almacenamento dentro do rato.
- Conecta o receptor USB a un porto USB-A dispoñible no teu ordenador ou dispositivo.
- Acenda o rato usando o interruptor de acendido situado na súa parte inferior.
- Your computer should automatically detect the mouse, and it will be ready for use.

Image: The Acer OMR243 mouse connected wirelessly to a laptop via its USB receiver, demonstrating a 2.4G wireless lag-free connection. The image also indicates the receiver is stored on the back of the mouse.
3. Compatibilidade
These wireless mice are compatible with most operating systems and devices, including:
- Windows
- macOS
- Linux
- iMac
- Chromebook
Instrucións de funcionamento
Acer OMR243 Wireless Mouse
The OMR243 mouse is designed for comfort and efficiency, featuring a lightweight build and quick navigation buttons.
- Deseño lixeiro: At approximately 55g, this mouse reduces wrist fatigue during extended use.
- Quick Navigation Buttons: Utilize the dedicated forward and backward buttons on the side of the mouse for efficient web page and folder navigation.

Image: The Acer OMR243 mouse, highlighting its forward and backward side buttons for quick navigation through web pages and folders.

Image: A hand demonstrating the ergonomic grip and use of the Acer OMR243 wireless mouse.
Acer OMR242 Slim Wireless Mouse
The OMR242 mouse is characterized by its slim profile and adjustable DPI settings, making it ideal for travel and varied tasks.
- Slim & Travel-Friendly: Weighing approximately 56g, its flat design allows for easy portability.
- Configuración de DPI personalizable: Adjust the cursor sensitivity to match your preference or screen size.

Image: The Acer OMR242 mouse, illustrating its compact and portable design, weighing 55 grams, with dimensions of 4.3 inches length, 2.6 inches width, and 1.5 inches height.
DPI Adjustment (OMR242)
The OMR242 mouse features a dedicated DPI adjustment button, allowing you to switch between three sensitivity levels:
- 800 DPI: For precise, slower cursor movement.
- 1200 DPI: Sensibilidade estándar para uso xeral.
- 1600 DPI: For faster cursor movement, suitable for larger screens or quick navigation.
Press the DPI adjustment button (usually located near the scroll wheel) to cycle through these settings.

Image: The Acer OMR242 mouse, demonstrating its 3-level adjustable DPI settings (800, 1200, 1600 DPI) with a magnifying glass highlighting the DPI adjustment button.
General Mouse Functions (Both Models)
- Botón esquerdo: Primary click function for selecting items, opening links, etc.
- Botón dereito: Función de clic secundario, normalmente abre menús contextuais.
- Roda de desprazamento: Desprácese cara arriba ou cara abaixo polos documentos e web páxinas. Tamén pode funcionar como un botón central para premer.
Mantemento
Substitución da batería
When the mouse performance degrades or stops responding, it's likely time to replace the batteries. Follow the battery installation steps outlined in the Setup section.
Limpeza
To maintain optimal performance and hygiene, clean your mouse periodically:
- Turn off the mouse and disconnect the USB receiver from your computer.
- Use un pano suave e sen pelusa dampEnxágüe con auga ou unha solución de limpeza suave para limpar a superficie do rato.
- Para o sensor óptico, use un hisopo de algodón seco para eliminar con coidado o po ou os residuos.
- Avoid using harsh chemicals or abrasive materials, as these can damage the mouse's finish or internal components.
Resolución de problemas
O rato non responde
- Comprobe as baterías: Asegúrate de que as baterías estean instaladas correctamente e teñan a carga suficiente. Substitúeas se é necesario.
- Interruptor de alimentación: Verify that the mouse's power switch (on the underside) is in the 'ON' position.
- Receptor USB: Asegúrate de que o receptor USB estea conectado correctamente a un porto USB que funcione no teu ordenador. Proba cun porto USB diferente.
- Re-emparejamento: In rare cases, you might need to re-establish the connection. Turn off the mouse, unplug the receiver, then plug the receiver back in and turn on the mouse.
Conexión intermitente ou con atraso
- Distancia: Ensure the mouse is within the effective operating range (up to 8 meters) of the USB receiver.
- Interferencia: Move the mouse and receiver away from other wireless devices (e.g., Wi-Fi routers, cordless phones) that might cause interference.
- Superficie: Use the mouse on a suitable, non-reflective surface.

Image: The Acer OMR242 mouse demonstrating 2.4G wireless connectivity, highlighting its plug-and-play functionality and an 8-meter working distance.
DPI Not Changing (OMR242)
- Ensure you are pressing the correct DPI adjustment button.
- If the issue persists, try replacing the batteries.
Especificacións
| Característica | Acer OMR243 Wireless Mouse | Acer OMR242 Slim Wireless Mouse |
|---|---|---|
| Conectividade | 2.4G Wireless (USB-A Receiver) | |
| Configuración de DPI | 1200 DPI (fixo) | 800, 1200, 1600 DPI (Adjustable) |
| Peso | Aprox. 55 g | Aprox. 56 g |
| Botóns de navegación | Left, Right, Scroll Wheel, Forward, Backward | Esquerda, dereita, roda de desprazamento, axuste de DPI |
| Tipo de batería | (Not specified, typically AAA) | 2 x AAA (non incluído) |
| Distancia de traballo | Ata 8 metros | |
| Compatibilidade | Windows, macOS, Linux, iMac, Chromebook | |
| ASIN | B0DPQGVHGS | |
| Data de primeira dispoñibilidade | 8 de xaneiro de 2025 | |
Garantía e Soporte
For detailed warranty information, please refer to the documentation included with your product or visit the official Acer website. If you encounter issues not covered in this manual, please contact Acer customer support.
You can find more information and support resources on the official Acer store page: Tenda Acer en Amazon





