Sony HT-A3000 Operating Instructions Manual page 50

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.
Remote Control
The remote control of this speaker
system does not function.
 Point the remote control at the
remote control sensor on the bar
speaker (page 10).
 Remove any obstacles in the path
between the remote control and the
speaker system.
 Replace both batteries in the remote
control with new ones if they are
weak.
 Make sure you are pressing the
correct button on the remote control.
TV remote control does not work.
 This problem might be solved by
enabling the IR repeater function. For
details, refer to Help Guide.
Optional Speakers
No sound or only a very low-level
sound is heard from the optional
speaker.
 Press SW  (subwoofer volume) + on
the remote control to increase the
subwoofer volume, or press REAR 
(rear speakers volume) + to increase
the rear speaker volume (page 33).
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 Check the wireless connection status
in [Setup] - [Advanced Settings] -
[Speaker Settings] - [Wireless Speaker
Settings] - [Check wireless
connection].
 Set the night mode to off (page 35).
 If you change the
[Advanced Settings] - [Speaker
Settings] - [Wireless Speaker Settings]
- [RF Channel] setting from [Off] to
[On], it may take 1 minute for the
sound to be output (page 21).
 Refer to the operating instructions of
the optional rear speakers/
subwoofer.
Sound skips or has noise.
 If there is a device nearby that
generates electromagnetic waves,
such as a wireless LAN or a microwave
oven in use, set the optional speaker
and the speaker system apart from it.
 If there is an obstacle between the
optional speaker and the speaker
system, move or remove it.
 Set the optional speaker and the
speaker system in a position as close
as possible.
 Change the
Settings] - [Speaker Settings] -
[Wireless Speaker Settings] - [RF
Channel] setting to [Off], and then
change to [On] again.
 Switch the network connection of the
TV or Blu-ray Disc player from wireless
to wired.
 Set
[Setup] - [Advanced Settings]
- [Speaker Settings] - [Wireless
Speaker Settings] - [Wireless Playback
Quality] to [Connection].
Others
The Control for HDMI function does
not work properly.
 Check the connection with the
speaker system (page 17).
 Enable the Control for HDMI function
on the TV. For details, refer to the
operating instructions of your TV.
[Setup] -
[Setup] - [Advanced