Enable system audio control
System audio control enables the TV remote control 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 component 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 components to power off when you power off your TV.
Depending on the CEC System Standby implementation, it also might enable connected components to
power off your TV when you power off the component.
System standby is disabled by default. To enable system standby, in the Home screen menu, navigate to
Settings > System > Control other devices (CEC) and highlight System standby. Press OK to enable or
disable the feature.
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