Sony LSPX-S1 Help Manual page 18

Perform the pairing procedure on the BLUETOOTH device to detect the speaker.
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When a list of detected devices appears on the display of the BLUETOOTH device, select "LSPX-S1."
If a passkey* is required on the display of the BLUETOOTH device, enter "0000."
* A passkey may be called "Passcode," "PIN code," "PIN number" or "Password."
Make the BLUETOOTH connection from the BLUETOOTH device.
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When pairing is complete, the BLUETOOTH indicator lights up in white.
If the BLUETOOTH connection is not established, repeat from step
Hint
For details on operating a BLUETOOTH device, refer to the operating instructions supplied with the BLUETOOTH device.
Note
If the indicator turns off in the middle of the operation, turn the power off and back on and then perform the operation again.
Once the BLUETOOTH devices are paired, there is no need to pair them again, except in the following cases:
Pairing information has been deleted after repair, etc.
The speaker is already paired with eight devices and another device is to be paired.
The speaker can be paired with up to eight devices. If a new device is paired after eight devices have already been paired, the paired device
with the oldest connection time is replaced by the new one.
When the pairing information of the speaker has been deleted from the BLUETOOTH device.
The speaker can be paired with multiple devices, but can only play music from one paired device at a time.
When an audio cable is connected to the speaker's AUDIO IN jack while the speaker and the BLUETOOTH device have been connected via
BLUETOOTH connection, sound from the BLUETOOTH-connected device is not output from the speaker. To listen to music from the BLUETOOTH
device, disconnect the audio cable from the speaker's AUDIO IN jack.
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