Sony HT-ST5 Startup Manual page 7

When connecting with TV and other devices
TV
Blu-ray Disc™ player, etc.
This is a connection for enjoying surround sound more effectively.
If the HDMI input terminal on the TV is not labeled "ARC," connect to the TV with optical digital cable (included) in addition to HDMI cable (sold
separately, High Speed type).
For connection (sold separately, High Speed type), when connected to another device and the TV, disconnect the other device from the TV and
connect it to the Bar Speaker.
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