Sharp AQUOS Operation Manual page 65

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Using LINK Operation
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Controlling HDMI Equipment Using
LINK Operation (Continue)
HDMI CEC LINK
Make the settings to use LINK Operation. Set the settings
with "Initial Setup" > "Input Settings" > "HDMI CEC LINK".
Link Operation
Select LINK Operation Control to disable the LINK function
even when a LINK-compatible HDMI device is connected to
the TV. This function prevents the device from starting to
operate unexpectedly.
Auto Power On
If this is activated, the One Touch Play function is enabled.
While the TV is in standby mode, it automatically turns on and
plays back the image from the HDMI source.
ENG 6-2
Audio Return Channel
This function allows you to listen to the TV audio via audio
equipment without using an optical fiber cable, which
conventionally is required.
Requirements for using an ARC-compatible AV amplifier:
ARC-compatible AV amplifier connected to the ARC-
compatible HDMI IN terminal. (HDMI IN 1)
(Refer to the operation manual of the ARC-compatible
equipment for details.)
Use of an ARC-compatible cable.
Auto: You can listen to the TV audio with ARC-compatible
audio equipment.
Off: This function does not work.
NOTE
If the TV audio cannot be output from the AV amplifier
even after making the necessary settings, connect the TV
to the AV amplifier with an optical fiber cable and select
"Off".