Marmitek Connect 350 UHD Guide Utilisateur page 6

8. Frequently asked questions
No (or poor) image and sound
If you experience poor or no picture after connecting the HDMI switcher,
please try to identify the problem by connecting the devices to your screen
(TV, monitor or projector) one by one. This allows you to determine whether
the problem is with the HDMI sources, the HDMI cables, the HDMI switcher
or the screen.
 If none of your connected HDMI devices provides a 5V power supply
via the HDMI cable, you need to power the HDMI switcher via the USB
cable. Use the supplied USB power cable and plug it into any available
USB port on your other devices, or use a standard USB power adapter.
For the best picture and sound quality, only use High Speed HDMI®

certified cables.
 Do not use HDMI cables longer than those specified in the technical
data.
Check the HDMI cables and/or connectors for damage.

Both the HDMI source and your screen should fully support HDMI.

Check that your HDMI sources and screen support HDCP (High

Bandwidth Digital Content Protection) copy protection.
Incorrect 3D display
Please check whether the HDMI source is set to display 3D and/or it is

set to automatic.
Both the HDMI source and your HD screen should support the same

3D formats.
Please check that 3D is displayed correctly by connecting the HDMI

source directly to the HD display with an HDMI cable.
Do you have other questions that have not been resolved by the above
information? Please go to
6
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