Reset the speaker
Press and hold the 
(power) button of the speaker more than 8 seconds to reset the speaker if you experience any of the following.
–The speaker cannot be turned on.
–The speaker cannot be operated even when it is turned on.
–The (power) indicator is flashing in red. The speaker is reset and turns off.
You may be able to resolve some issues by resetting the speaker. When resetting, the volume, functions and sound settings may change.
If it does not enter the start-up mode, consult your nearest Sony dealer.
