Sony Bravia OLED XR-55A90J Help Manual page 13

4/7/2021
Terminal
https://helpguide.sony.net/tv/iaep1/v1/en/print.html
DIGITAL AUDIO OUT (OPTICAL)
Connects to an audio system with optical audio input.
When connecting an audio system not compatible with ARC using
an HDMI cable, you need to connect an optical audio cable to the
DIGITAL AUDIO OUT (OPTICAL) to output digital sound.
(RF input)
Connects to Cable/Antenna/External Box.
Note
When connecting the cable to the Cable/Antenna input,
finger tighten only, over tightening the connection can
damage the TV.
(Satellite input)
Connects to satellite input.
Connection steps: SUB. → MAIN → Antenna.
For SUB. jack, connect only when you are using twin tuner mode
except for Single Cable Distribution EN50494 (depends on model).
LAN
Connect to a Router.
Connect to the Internet using a LAN cable.
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