Sony HT-ST9 Operating Instructions Manual page 36

Activating Wireless Transmission Between Specific
Devices
[Secure Link]
You can specify the wireless connection to link the system to the
subwoofer using the Secure Link function.
This function can help prevent interference if you use multiple
wireless products or your neighbors use wireless products.
1
Select [Wireless Sound Connection] in [System Settings]
(page 35).
2
Select [Secure Link].
3
Select [On].
4
Press SECURE LINK on the rear of the subwoofer.
Proceed to the next step within a few minutes.
5
Select [Start].
To return to the previous display, select [Cancel].
6
After the message [Secure Link setting is complete.] appears,
press .
The on/standby indicator on the subwoofer lights in orange.
If the message [Cannot set Secure Link.] appears, follow the on-
screen instructions.
To cancel the Secure Link function
For the Bar Speaker
Select [Off] on Step 3 above.
For the subwoofer
Press and hold the SECURE LINK on the rear of the subwoofer for
several seconds until the on/standby indicator on the subwoofer
turns green or flashes in green.
Be sure to press the SECURE LINK with the point of a pen, etc.
36
US
Selecting the Frequency Band
[RF Band]
You can select the frequency band.
1
Select [Wireless Sound Connection] in [System Settings]
(page 35).
2
Select [RF Band].
3
Select the setting you want.
 [Auto]: Normally select this. The system automatically selects
the strongest frequency band for transmission.
[5.2GHz], [5.8GHz]: The system transmits sound according to

the selected frequency band.
Tip
We recommend you to set [RF Band] to [Auto].