User Manual for AVSL 128.861UK 8K HDMI Splitter

Quick guide from the manual

The AVSL 128.861UK is an 8K HDMI splitter designed to connect a single HDMI source to two displays simultaneously. It supports resolutions up to 7680 x 4320 at 60Hz and features an 8-mode EDID switch for precise video and audio format selection. Ensure you use 8K certified HDMI cables to maintain 8K resolution and keep the total cable length within 10 meters (5m max input and 5m max output) for optimal performance.

In the box

• 8K HDMI Splitter 1x2
• 5V DC Power Adaptor
• User Manual
• 4pcs self-adhesive rubber feet

Device overview

The front panel features the DC/5V power input, Output 1, Input, and Output 2 HDMI ports. The back panel contains the RS232 port (for firmware updates), an IR extension socket, and the EDID dip switches.

Connection instructions

1. Connect the output of your source device (e.g., laptop, games console, Blu-ray player) to the Input port of the splitter using an HDMI lead.
2. Connect the outputs of the splitter to the inputs of your display devices using HDMI leads.
3. Set the EDID dip switches on the back of the unit according to your required resolution and audio output configuration.
4. Connect the supplied 5V power adaptor to the splitter and plug it into a mains outlet.
5. Switch on the power. Blue LEDs on the front will illuminate when the source and display devices are connected and powered on.

EDID dip switch selection

The EDID dip switches allow you to configure the output format. Note that switch 1 is for upgrade mode only. The settings are as follows:

• 0 0 0: Copy output 1 EDID only
• 0 0 1: Downward compatibility (1-2) outputs
• 0 1 0: 4K/60Hz 2ch
• 0 1 1: 1080p 3D 2ch
• 1 0 0: 8K/60Hz 7.1ch
• 1 0 1: 4K/30Hz 2ch
• 1 1 0: 1080p 2D 2ch
• 1 1 1: 1080p 2D 7.1ch

Note: 0 = switch up, 1 = switch down.

Technical specifications

• Video resolution: Up to 7680 x 4320 @ 60Hz
• Display colours: 8/10/12bit deep colour
• Audio format: DTS-HD, Dolby True, DTS, Dolby-AC3 and DSD
• Input connections: HDMI, RS232 Serial (firmware updates only)
• Output connections: 2x HDMI, 3.5mm IR Extension Socket
• Max. baud rate: 40Gbps
• Transmission distance: 10m max 8K @ 60Hz
• Operating temperature: -15C to +55C
• Power supply: Input 100-240V, Output DC 5V/2A

Safety warnings

• Never immerse the device in water or expose it to damp conditions.
• Do not use the device if it is damaged.
• Only use the power supply provided by the manufacturer.
• Disconnect the power supply from the mains when not in use for long periods.
• Do not attempt to repair or take apart the device, as this will invalidate the warranty.