Electronics / AV Switchers
User Manual for av-link 128.820UK Mini HDMI Switch
Quick guide for the av-link 128.820UK Mini HDMI Switch. Learn how to connect your devices, use the remote control, and understand the technical specifications.
Table of contents
Manual images
Click an image to enlargeQuick guide from the manual
The av-link 128.820UK is a compact HDMI switch that allows you to connect up to 3 HDMI source devices to a single display. It features an auto-select function that detects the latest live device and allows manual switching via the included IR remote control or the button on the unit.
Installation and Connection
Follow these steps to set up your HDMI switch:
- Output Connection: Connect an HDMI cable from the output port on the side of the device to your display (TV or monitor). The maximum recommended cable length is 25m.
- Input Connections: Connect up to 3 HDMI source devices to the input ports on the unit. The maximum recommended cable length for each input is 15m.
Operation
Once connected, the device can be operated in the following ways:
- Auto-Select: When devices are switched on, the unit automatically selects the latest live device.
- Manual Selection: You can manually switch between inputs using the IR remote control provided or by pressing the Select button on the front of the unit.
- Status Indicators: The green LEDs (L1, L2, L3) on the front of the unit indicate which input is currently active.
Technical Specifications
- HDMI Version: 1.4a
- Video Format: 4K, Up to 1080p @ 60Hz, 3D, 8 bit deep colour
- Audio Format: DTS-HD, Dolby-trueHD, DTS, Dolby-AC3 and DSD
- Max. Bandwidth: 340 MHz
- Max. Baud Rate: 3.4Gbps
- Operating Temperature: -15 to +55°C
- Dimensions: 77 x 56 x 15 mm
- Weight: 40g
Safety Warnings
- Do not immerse the device in water or expose it to damp conditions.
- Do not subject the device to excessive force.
- Do not use the device if it appears damaged.
- Do not attempt to repair or disassemble the unit, as this will invalidate your warranty.
Practical help
Common problems
Device not switching to the correct input
Ensure the source device is powered on, as the auto-select function detects the latest live device.
Signal loss or poor image quality
Verify that your HDMI cables are within the recommended lengths (max 25m for output, max 15m for inputs).
Before use
- Ensure you have the HDMI Switch 3x1 and the IR Remote Control.
- Verify that your HDMI cables are within the recommended length limits.
- Check that the device is not damaged before use.
Specs in practice
- HDMI Version 1.4a
- Supports 4K video, 3D, and high-definition audio formats.
- Max. Bandwidth 340 MHz
- Determines the maximum data throughput capacity of the switch.
- Max. Working Current 150mA
- The power consumption required for the device to operate.
Images and diagrams
- The connection diagram shows 3 HDMI inputs for source devices and 1 output for the display.
- The front panel features LED indicators (L1, L2, L3) to show which input is active and a Select button.
Model compatibility
- Supports 4K resolution up to 1080p @ 60Hz.
- Compatible with DTS-HD, Dolby-trueHD, DTS, Dolby-AC3, and DSD audio formats.
Manual page author
Emily Carter
User documentation editor
Prepares concise manual descriptions and highlights the most useful setup, operation, and maintenance information for readers.