Sony DAV-HDX685 User Manual

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About the S-AIR function
The system is compatible with the S-AIR 
function, which allows transmission of sound 
between S-AIR products wirelessly. 
The following S-AIR products can be used with 
the system:
• Surround amplifier: You can enjoy surround 
speaker sound wirelessly.
• S-AIR receiver: You can enjoy system sound 
in another room.
These S-AIR products can be purchased as an 
options (the S-AIR product lineup differs 
depending on the area).
Notes or instructions for the surround amplifier 
or S-AIR receiver in these Operating 
Instructions refer only to when the surround 
amplifier or S-AIR receiver is used.
For details on the S-AIR function, see “Using an 
S-AIR Product” (page 74).