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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.
Enable 1-touch play
1-touch play enables a device to control which TV input is active. For example, pressing Play on
your Blu-ray™ player switches the TV to the Blu-ray™ input.
1-touch play is disabled by default. To enable 1-touch play, in the Home screen menu, navigate
to Settings > System > Control other devices (CEC) and highlight 1-touch play. Press OK to
enable or disable the feature.
Enable system standby
The system standby feature causes other devices to power off when you power off your TV.
Depending on the CEC System Standby implementation, it also might enable connected
devices to power off your TV when you power off the device.
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