Sony SRS-X9 - Manual (Page 47)

Checking the Wi-Fi signal strength (reception sensitivity)
About standby functions
Differences of standby modes
Notes on use
Precautions
What is BLUETOOTH wireless technology?
Trademarks
Trademarks
Important information on software
Support website
Customer support websites
Notes on use
4-535-194-11(3)
Copyright 2014 Sony Corporation
34