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220177 14022 Nedis - ACON3445AT HDMI converter_Front page.ai
1 x HDMI™ input --> 2x HDMI™ eARC + 1x HDMI™ audio + Toslink + 3.5 mm output
Article number: ACON3445AT
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CE.ai
Nedis BV
De Tweeling 28, 5215 MC ’s-Hertogenbosch, The Netherlands 03/22
Preface

Thank you for purchasing the Nedis ACON3445AT.
This document is the user manual and contains all the information for correct, efficient and safe use of the product.
This user manual is addressed to the end user. Read this information carefully before installing or using the product.
Always store this information with the product for use in the future.
Product description
Intended use
This product is intended to transform a single HDMI input into multiple media outputs. The product can also connect to a tv app and convert this input.
The product is intended for indoor use only.
Any modification of the product may have consequences for safety, warranty and proper functioning.
Specifications
Product
HDMI 2.1 eARC Audio Extractor with 3 port HDMI switcher
Article number
ACON3445AT
Dimensions (l x w x h)
175 x 86.6 x 26.3 mm
Weight
155.5 g
Power input
5 VDC ; 0.15 A
Power output
5 VDC ; 1 A
Frequency
50 - 60 Hz
Video quality
4K @ 60 Hz (HDR)
Audio input
HDMI
Audio output
HDMI-audio, eARC, analog 3.5 mm, S/PDIF
Supported audio format
Dolby Atmos, DTS HD, Dolby TrueHD
Average operation efficiency
75 %
Efficiency at low loads
N/A %
No-load power consumption
0.034 W
Main parts (image A)
220177 14022 Nedis - ACON3445AT HDMI converter_Main parts.ai
A
1 HDMI input
2 Audio channel indicator LED
3 eARC indicator LED
4 Audio channel selection button
5 Micro USB power input
6 3.5 mm audio output.
7 Optical audio output
8 HDMI audio output
9 eARC audio output
q HDMI audio output
w Power cable
Safety instructions

WARNING
Ensure you have fully read and understood the instructions in this document before you install or use the product. Keep the packaging and this document for future reference.
Only use the product as described in this document.
Do not use the product if a part is damaged or defective. Replace a damaged or defective product immediately.
Do not drop the product and avoid bumping.
This product may only be serviced by a qualified technician for maintenance to reduce the risk of electric shock.
Do not expose the product to water or moisture.
Only use the provided power cable.
Installation
Check the contents of the package
Check that all parts are present and that no damage is visible on the parts. If parts are missing or damaged, contact the Nedis B.V. service desk via the website: www.nedis.com.
Audio interface table (image B)
220177 14022 Nedis - ACON3445AT HDMI converter_Audio interface table.ai
B
Connecting the external source (imageC)
220177 14022 Nedis - ACON3445AT HDMI converter_Connection external.ai
C
If you want to use an external source device as input, for example a set to box or game console:
Make sure all the devices you want to connect have been switched off.
1 Plug an HDMI cable (not included) into the HDMI input A1.
2 Plug the other end of the cable into your audio source device.
3 Plug an HDMI cable (not included) into the HDMI video output A8.
4 Plug the other end of the cable into your tv.
5 Check the available audio inputs on your audio playback device.
6 Choose the desired audio interface available on your audio playback device (see image C)
7 Plug a suitable audio cable into the corresponding audio output A6, A7 or A8
8 Plug the other end of the cable into your audio playback device.
9 select the highest compatible audio channel using the audio channel selection button A4 (see image B)
The audio channel selection LED A2 of the selected channel lights up.
Connecting to tv (imageD)
220177 14022 Nedis - ACON3445AT HDMI converter_Connection tv app.ai
D
If you want to use a tv as input, for example for tv apps or analog tv signal:
Make sure all the devices you want to connect have been switched off.
1 Plug an HDMI cable (not included) into the HDMI input A1.
2 Plug the other end of the cable into your tv.
3 Check the available audio inputs on your audio playback device.
4 Choose the desired audio interface available on your audio playback device (see image B)
5 Plug a suitable audio cable into the corresponding audio output A6, A7 or A8
6 Plug the suitable audio cable into the corresponding audio output.
If the product receives an audio signal through the HDMI eARC input, the eARC indicator LED A3 lights up.
Use
Using the product
1 Plug the power cable Aw into the micro USB power input A5.
2 Plug the other end of Aw into a power outlet.
3 Switch on the connected audio devices.
Troubleshooting
No sound / visuals
Check if the cables are properly connected.
Check if the connected audio output supports the selected channel.
Check if all devices are switched on.
Maintenance

Clean the product regularly with a soft, clean, dry cloth. Avoid abrasives that can damage the surface.
Do not use aggressive chemical cleaning agents such as ammonia, acid or acetone when cleaning the product.
Warranty

Any changes and/or modifications to the product will void the warranty. We accept no liability for damage caused by improper use of the product.
This product is designed for private use (normal domestic use) only. Nedis is not responsible for wear, defect and/or damages caused by commercial use of the product.
Disclaimer

Designs and specifications are subject to change without notice. All logos, brands and product names are trademarks or registered trademarks of their respective owners and are hereby recognized as such.
Disposal
WEEE.ai
This symbol indicates that this product should not be thrown away with other household waste throughout the EU. To prevent possible harm to the environment or human health by uncontrolled waste disposal, you are responsible for recycling it so that it can promote the sustainable reuse of raw materials. To return your used product, you can use the regular return and collection systems or contact the store where the product was purchased. They can recycle this product for the environment.