Yamaha TRUE X SPEAKER 1A User Manual page 10

PREPARATION > Turning the unit on and off (standby)
NOTE
This unit will automatically switch to standby in any of the following situations (Auto Standby):
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When SOLO mode is selected
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No playback and no control operations for 20 minutes or more
No control operations for eight hours or more, regardless of playback
When SURROUND mode is selected
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Not connected to the sound bar for 20 minutes or more
The sound bar is turned off while the unit is connected to the sound bar
A melody will inform you of the status of this unit, such as when the power is turned on or when a Bluetooth device is connected.
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(Sound Guide: Enabled by default.)
To disable the Sound Guide, hold down the Clear Voice button for at least three seconds. Sound Guide switches between enabled
and disabled each time the button is held down.
Related links
"Top controls/Front" (p.6)
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