Sony SRS-XB13 Help Manual page 45

Lights up The speaker is connected to a BLUETOOTH device.
The speaker enters the pairing mode.
Double flashes
The speaker is waiting for a BLUETOOTH connection to be established.
Flashes slowly
ST PAIR (Stereo Pair) indicator (white)
The speaker is waiting for a connection for the Stereo Pair function to be established.
Flashes
The ST PAIR (Stereo Pair) indicator flashes when the connection with Stereo Pair function fails.
Lights up The Stereo Pair function is used on the speaker.
Related Topic
Parts and controls
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