Sony HT-CT660 Operating Instructions Manual page 32

 Check that the BLUETOOTH
connection is made properly
between this system and the
BLUETOOTH device.
 Pair this system and the
BLUETOOTH device again.
Sound skips or the correspondence
distance is short.
 If a device that generates
electromagnetic radiation, such as a
Wi-Fi network, other BLUETOOTH
device(s), or a microwave oven is
nearby, move this system away
from such sources.
 Remove any obstacle between this
system and the BLUETOOTH device,
or move this system away from the
obstacle.
 Locate this system and the
BLUETOOTH device as near as
possible.
 Re-position this system.
 Re-position the BLUETOOTH device.
 Change the Wi-Fi frequency of the
Wi-Fi router, computer, etc., to
5 GHz band.
Pairing cannot be done.
 Bring this system and the
BLUETOOTH device closer together.
The sound is not in sync with the
image.
 When you are watching movies, you
may hear the sound with a slight
delay from the image.
The BLUETOOTH connection cannot
be completed.
 Make sure the BLUETOOTH device
to be connected is turned on and
the BLUETOOTH function is
enabled.
 The BLUETOOTH connection has
become disconnected. Make the
BLUETOOTH connection again.
32
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BLUETOOTH devices cannot be
operated on the remote control of
the system.
 Operate the BLUETOOTH device on
itself.
WIRELESS SOUND
Wireless transmission is not
activated or there is no sound from
the subwoofer.
 Check the status of the 
indicator on the subwoofer.
 Is off:
 Check that the AC power cord
(mains lead) of the subwoofer is
connected securely.
 Turn on the subwoofer by
pressing  on the subwoofer.
 Flashes in red:
 Press  to turn off the
subwoofer, and check that
nothing is blocking the
ventilation holes of the
subwoofer.
 Flashes in green slowly or is lit in
red:
 Move the subwoofer so that the
 indicator lights up in green.
 Check the wireless transmission
status (page 29).
 Set the wireless transmission
(page 30).
 Flashes in green quickly:
 Consult your nearest Sony
dealer.
Sound skips or has noise.
 If a device that generates
electromagnetic radiation, such as a
Wi-Fi network, or a microwave oven
is nearby, move this system away
from such sources.
 Remove any obstacle between the
Sound Bar and the subwoofer, or
move this system away from the
obstacle.
 Locate the Sound Bar and the
subwoofer as near as possible.