Sony Universal Remote - Manual (Page 138)

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Troubleshooting
You cannot select “Off” in “Control for HDMI”.
• If you have connected any audio system that
is compatible with Control for HDMI, you
cannot select “Off” in this menu. If you want
to change the audio output to the TV speaker,
select “TV Speaker” in the “Speaker” menu
(106).
Not all channels are tuned for cable.
• Check the support website for cable provide
information.
http://support.sony-europe.com/TV/DVBC/