Proline L3220HD Manuel D'utilisation page 163

Connecting a USB device
Your TV supports playback of a wide array of files via a USB connection.
US B 2
US B 1
Insert a CI card
Connecting earphones
You can connect headphones (not provided) to the EARPHONE jack on your TV.
While the earphones are connected, the sound from the TV speakers will be
disabled.
EARPHONE
COAXIAL connection
COAXIAL
Insert the USB device with recorded pictures, audio or
videos into the USB 1 or USB 2 port on the TV.
Insert your CI card (Conditional Access Module) to watch
special digital channels in your area.
Use a coaxial cable (not included) to connect the unit with an amplifier
or other audio decoding devices for coaxial audio signal output.
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