Sony SRS-X7 - Manual (Page 263)

Personal Audio System
SRS-X7
The speaker has entered standby mode or BLUETOOTH/Network standby mode unexpectedly.
This is not a malfunction. The speaker enters standby mode or BLUETOOTH/Network standby mode automatically if
no operation is performed and no sound is input for about 15 minutes. For details, refer to "Auto standby function."
Related Topic
Auto standby function
Notes on use
4-537-384-11(2)
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