Listening To Built-In Sound Demonstration - Sony GTK-XB72 Help Manual

Help Guide
Home Audio System
GTK-XB72

Listening to built-in sound demonstration

Hold down EXTRA BASS for more than 3 seconds while the system is turned on.
The USB function is automatically selected and the USB indicator on the system lights up. Then, the built-in sound
demonstration is played back.
To stop the demonstration
Press FUNCTION/ PAIRING repeatedly to select the function other than the USB function.
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