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HDMI
®
ARC reduces the number of cables needed and optionally lets you control the
volume and mute state of the receiver by enabling system audio control.
HDMI
®
ARC is disabled by default. To enable HDMI
®
ARC, in the Home screen menu,
navigate to Settings > System > Control other devices (CEC), and then highlight HDMI
ARC. Press OK to enable or disable the feature.
Note:
Enabling
HDMI ARC
also enables
System audio control
. After enabling
HDMI ARC
,
you can disable
System audio control
if you prefer.
Enable system audio control
System audio control enables the TV remote to change the volume and mute state of
an amplifier or sound bar connected through HDMI
®
, and to display the external
device’s volume and mute status in the TV’s on-screen display.
The TV automatically turns off its internal speakers and sends volume and mute
control signals to an external amplifier when all of the following are true:
• System audio control is enabled on the TV.
• The TV is connected to a CEC-compatible amplifier, it is powered on, and CEC
discoverability is enabled.
• The CEC-compatible amplifier’s HDMI
®
ARC connector is connected to the TV’s
HDMI ARC connector with a suitable HDMI
®
cable.
When the CEC-compatible amplifier is off, the TV automatically turns on its speakers
(unless you have turned them off as described in Turning off the speakers) and
resumes local control of volume and mute state.
To enable or disable system audio control, in the Home screen menu, navigate to
Settings > System > Control other devices (CEC) and highlight System audio control. Press
OK to enable or disable the feature.
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