Sony HT-CT800 Manual De Instrucciones página 66

 Set [System Settings] - [HDMI
Settings] - [HDMI Signal Format] to
[Standard format] (page 20).
The surround effect cannot be
obtained.
 Depending on the input signal and
the sound field setting, surround
sound processing may not work
effectively. The surround effect may
be subtle, depending on the program
or disc.
 To play multi-channel audio, check
the digital audio output setting on
the device connected to the system.
For details, refer to the operating
instructions supplied with the
connected device.
Subwoofer
No sound or only very low-level
sound is heard from the subwoofer.
 Press SW  + on the remote control
to increase the subwoofer volume
(page 32).
 Make sure that the power indicator
on the subwoofer is lit in green.
 If the power indicator on the
subwoofer does not light, try the
following.
– Make sure the AC power cord
(mains lead) of the subwoofer is
connected properly.
– Press  (power) of the subwoofer
to turn on the power.
 If the power indicator on the
subwoofer flashes slowly in green or
lights in red, try the following.
– Move the subwoofer to a location
near the main unit so that the power
indicator on the subwoofer lights in
green.
– Follow the steps in "Performing the
Wireless Connection of the
Subwoofer (LINK)" (page 48).
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 If the power indicator on the
subwoofer flashes in red, press 
(power) of the subwoofer to turn off
the power and check whether the
ventilation holes of the subwoofer is
blocked or not.
 The subwoofer is for reproducing
bass sound. In the case of input
sources that contain very little bass
sound components (i.e., a TV
broadcast), the sound from the
subwoofer may be difficult to hear.
 Set the night mode to [Off]. For
details, see "Enjoying Clear Sound
with Low Volume at Midnight
(NIGHT)" (page 31).
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, locate the
system apart from it.
 If there is an obstacle between the
main unit and the subwoofer, move
or remove it.
 Locate the main unit and the
subwoofer as close as possible.
 Switch the wireless LAN frequency of
any nearby wireless LAN router or PC
to 5 GHz range.
 Switch the network connection of the
TV or Blu-ray Disc Player from
wireless to wired.
USB Device Connection
The USB device is not recognized.
 Try the following:
 Turn the system off.
 Remove and reconnect the USB
device.
 Turn the system on.
 Make sure that the USB device is
securely connected to the
port (page 28).
 Check to see if the USB device or a
cable is damaged.
(USB)