OREI BK-21A 8K HDMI 2.1 Switch 2-in-1 Out with Audio Extraction User Manual

1. Introdução

The OREI BK-21A is an advanced 8K HDMI 2.1 Switch designed to seamlessly switch between two HDMI 2.1 input devices to a single HDMI output display. This device supports high-resolution video up to 8K@60Hz, 4K@120Hz, and 1080p@240Hz, making it ideal for modern gaming and streaming setups. It features 48Gbps bandwidth and is compliant with HDMI 2.1 and HDCP 2.3 standards, ensuring compatibility with the latest content and devices. Additionally, the BK-21A offers audio extraction capabilities through optical and L/R ports, supporting a wide range of audio formats for an enhanced audio experience. Easy switching is facilitated via a button on the unit or the included IR remote control, with an auto-switching function for convenience.

Image 1.1: OREI BK-21A highlighting key features including 2-to-1 HDMI switching, audio extraction, 4K@120Hz video resolution, and HDMI 2.1/HDCP 2.3 compliance.

2. Conteúdo da embalagem

Ao abrir a embalagem, verifique se todos os itens estão presentes:

• 1x OREI BK-21A 8K HDMI 2.1 Switch
• Controle Remoto IR 1x
• Fonte de alimentação 1x 5V/2A
• 1x Manual do Usuário

Image 2.1: Visual representation of the OREI BK-21A package contents, including the switch, power supply, remote control, and user manual.

Vídeo de unboxing

Video 2.1: An unboxing video demonstrating the contents of the OREI BK-21A package and providing an initial overview do dispositivo.

3. Produto acabadoview

The OREI BK-21A features a compact and durable metal enclosure designed for efficient heat dissipation and interference reduction. Understanding the layout of its front and rear panels is crucial for proper setup and operation.

Painel frontal

• Janela IR: Receives signals from the included IR remote control. Ensure it is unobstructed.
• Indicador de energia: Illuminates when the device is powered on and passes its internal self-test.
• IN 1/IN 2 Indicators: Light up to confirm a solid HDMI connection from input devices.
• Indicador de SAÍDA: Lights up to confirm a solid HDMI connection to the display.
• Indicador AUTOMÁTICO: Illuminates when the switch is in auto-switching mode.
• SWITCH Button: Alterna manualmente entre as fontes de entrada HDMI.
• EDID Switches: Used to adjust resolution and frame rate settings for compatibility with various displays. Refer to the user manual for specific configurations.
• SERVICE Port (Micro USB): Used for firmware updates. Connect to a computer with a Micro USB to USB-A cable.

Imagem 3.1: Frente view of the OREI BK-21A, showing the IR window, power/input/output/auto indicators, switch button, EDID switches, and service port.

Painel traseiro

• IN 1/IN 2 (HDMI 2.1): Connect your two HDMI source devices (e.g., gaming consoles, streaming boxes).
• OUT (HDMI 2.1): Connect to your display device (e.g., TV, monitor).
• OPTICAL (SPDIF OUT): Saída de áudio óptica para conexão a um amplifier ou barra de som.
• L/R (3.5mm Audio Out): Analog stereo audio output for connecting to speakers or an ampmais vivo.
• CC 5V: Power input port. Connect the included 5V/2A power adapter here.

Imagem 3.2: Traseira view of the OREI BK-21A, illustrating the HDMI input/output ports, optical and L/R audio outputs, and DC power input.

4. Configuração

Follow these steps to set up your OREI BK-21A HDMI switch:

1. Conecte dispositivos de entrada HDMI: Use high-quality HDMI 2.1 cables (under 30 feet for optimum performance) to connect your two source devices (e.g., PS5, Xbox Series X, Blu-ray player, PC) to the EM 1 e EM 2 ports on the rear panel of the BK-21A.
2. Connect HDMI Output Display: Use another high-quality HDMI 2.1 cable to connect your display (TV or monitor) to the FORA port on the rear panel of the BK-21A.
3. Conectar saída de áudio (opcional): If you wish to extract audio, connect your amplifier or soundbar to either the OPTICAL (SPDIF OUT) port or the L/R (3.5mm Audio Out) port. Ensure your audio receiver supports the selected audio format.
4. Conecte a energia: Conecte o adaptador de alimentação 5V/2A incluído no Corrente contínua 5 V port on the rear panel, then plug the adapter into a standard wall outlet. The power indicator on the front panel will light up after an internal self-test.
5. Verifique as conexões: The IN 1, IN 2, and OUT indicators on the front panel will light up to confirm successful connections.

Image 4.1: Diagram illustrating the connection of two HDMI input sources and one HDMI output display to the OREI BK-21A, with optional audio extraction.

5. Instruções de operação

The OREI BK-21A offers flexible control options for switching between your connected devices and managing audio settings.

Entradas de comutação

• Troca manual: Pressione o TROCAR button on the front panel of the device to cycle between HDMI Input 1 and HDMI Input 2. The corresponding IN indicator will light up.
• Controle Remoto IR: Use the included IR remote control to directly select Input 1 or Input 2. Point the remote towards the IR window on the front panel.
• Troca automática: The device supports automatic input switching, which will switch to the last active source. The AUTO indicator will light up when this mode is active.

Extração de Áudio

The BK-21A can extract audio from the HDMI signal and output it through dedicated ports:

• Optical (SPDIF OUT): Provides digital audio output. Supports LPCM, Dolby Digital/Plus/EX, Dolby True HD, DTS, DTS-EX, DTS-96/24, DTS High Res, DTS-HD Master Audio, DSD. Note: Optical output is limited to 5.1ch.
• L/R (3.5mm Audio Out): Provides analog stereo audio output. Limited to PCM 2ch.

Ensure your source device is configured to output audio in compatible formats for the selected audio output port.

Gestão EDID

The EDID switches on the front panel allow for advanced management of Extended Display Identification Data. This feature helps ensure optimal compatibility between your source devices and display by adjusting the resolution and frame rate. Refer to the detailed instructions in the user manual for specific EDID settings based on your setup requirements.

Vídeo com as características do produto

Video 5.1: A video highlighting the key features and functionalities of the OREI BK-21A, including 4K@120Hz support and audio extraction.

6. Especificações

Image 6.1: Technical specifications and compact dimensions of the OREI BK-21A 8K HDMI 2.1 Switch.

7. Solução De Problemas

If you encounter issues with your OREI BK-21A, please refer to the following common troubleshooting steps:

• Sem sinal de vídeo:
  • Ensure all HDMI cables are securely connected to both the source devices, the switch, and the display.
  • Verify that the correct input source is selected on the BK-21A (check IN 1/IN 2 indicators).
  • Check the power supply connection and ensure the power indicator is on.
  • Try using different HDMI cables, especially certified HDMI 2.1 cables, as cable quality can affect high-resolution signals.
  • Adjust the EDID switches on the front panel to a compatible setting for your display.
  • Bypass the switch and connect the source directly to the display to confirm the source and display are working correctly.
• Sem saída de áudio:
  • Ensure your audio system is correctly connected to the OPTICAL or L/R audio output ports.
  • Verify that your source device is configured to output audio in a format compatible with the selected audio output (e.g., LPCM for L/R output, or a supported digital format for Optical).
  • Check the volume levels on your audio system and source device.
• Controle remoto não funciona:
  • Ensure there are no obstructions between the remote control and the IR window on the front panel of the switch.
  • Verifique e substitua a bateria do controle remoto, se necessário.
• Resolution/Refresh Rate Issues:
  • Ensure your HDMI cables are rated for HDMI 2.1 and support the desired resolution and refresh rate (e.g., 4K@120Hz).
  • Adjust the EDID switches on the front panel to match the capabilities of your display and source.
  • Confirm your display and source device settings are configured for the desired resolution and refresh rate.

8. Garantia e suporte

The OREI BK-21A 8K HDMI 2.1 Switch comes with a Garantia do fabricante de 1 ano. For technical assistance, troubleshooting, or warranty claims, please contact OREI support.

• Informações de contato do fabricante: info@orei.com
• Suporte online: Visit the OREI webSite com perguntas frequentes e recursos adicionais.

Note: Do not update the firmware before consulting OREI support.