Sony HT-A9, Help Manual

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Help Guide
Home Theatre System
HT-A9
No sound is output from the connected BLUETOOTH headphones.
Make sure that [BT TX] appears in the front panel display.
Bring this speaker system and the BLUETOOTH headphones closer together.
If a device that generates electromagnetic radiation, such as a wireless LAN device, other BLUETOOTH devices, or
a microwave oven is nearby, move the device away from this speaker system.
Remove any obstacle between this speaker system and the BLUETOOTH headphones, or move this speaker
system away from the obstacle.
Reposition the connected BLUETOOTH headphones.
Switch the wireless LAN frequency of any nearby wireless LAN router or PC to the 5 GHz range.
Increase the volume on the connected BLUETOOTH headphones.
Set
[Setup] - [Advanced Settings] - [Bluetooth Settings] - [Wireless Playback Quality] to [LDAC Stable
Connection (Auto)] or [SBC Stable Connection (Auto)].
Some content may not be output due to content protection.
Related Topic
Listening to Music by Pairing the Mobile Device That Is Connected for the First Time
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