Sony HT-CT790 Manuel D'instructions page 63

 If there is an obstacle between the
unit and the subwoofer, move or
remove it.
 Locate the unit and the subwoofer as
close as possible.
 Switch the wireless LAN frequency of
any nearby Wi-Fi router or PC to
5 GHz range.
 Switch the network connection of the
TV or Blu-ray Disc Player from
wireless to wired.
Wireless Surround
No sound or only very low-level
sound is heard from the wireless
speaker.
 Depending on the input signal, a
surround effect with presence may
not be obtained. Depending on the
program or disc, audio signals for the
surround channels are output at a
very low level.
 When you play content compatible
with copyright protection technology
(HDCP, SCMS-T, etc.), it may not be
output from the system.
 Check the surround speakers
connection on [Wireless Surround
Settings] - [Surround Speaker
Connection Check].
 Adjust the volume level of the
surround speakers on [Wireless
Surround Settings] - [Surround
Speaker Setting].
The sound is delayed behind the
picture.
 When using the wireless surround
function, the sound may be delayed.
The system cannot connect to the
network.
 The wireless LAN function is not
available when using the wireless
surround function. Connect to the
network via wired LAN.
The wireless speakers cannot be
connected to the system.
 Update the software version of the
system and wireless speakers to the
latest version.
Remote Control
The remote control of this system
does not function.
 Point the remote control at the
remote control sensor on the unit
(page 6).
 Remove any obstacles in the path
between the remote control and the
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.
Others
The Control for HDMI function does
not work properly.
 Check the connection with the
system (refer to the supplied Startup
Guide).
 Enable the Control for HDMI function
on the TV. For details, refer to the
operating instructions of your TV.
 Wait a while, and then try again. If
you unplug the system, it will take a
while before operations can be made.
Wait for 15 seconds or longer, and
then try again.
 Make sure the devices connected to
the system support the Control for
HDMI function.
 Enable the Control for HDMI function
on the devices connected to the
system. For details, refer to the
operating instructions of your device.
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