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28
US
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.
No sound or only a very low-level
sound is heard from the subwoofer.
Press SW + to increase the
subwoofer volume (page 19).
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.
– Check that the AC power cord
(mains lead) of the subwoofer is
connected properly.
–Press (power) on 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 lights in green.
– Follow the steps in “Activating
Wireless Transmission Between
Specific Units (SECURE LINK)”
(page 24).
If the power indicator on the
subwoofer flashes in red, the
protection feature of the subwoofer is
activated. Press (power) on the
subwoofer to turn off the power and
check whether the ventilation holes
of the subwoofer are blocked or not.
A 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.
The subwoofer is designed for
playback of bass sound. When the
input source does not contain much
of bass sound, as is the case with
most TV programs, the bass sound
may not be audible.
Set the night mode to off. For details,
see “Enjoying Clear Sound with Low
Volume at Midnight (NIGHT)”
(page 17).
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
personal computer to 5 GHz band.
Switch the TV, Blu-ray Disc player, etc.
from wireless LAN to wired LAN.
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 (USB)
port (page 15).
Check to see if the USB device or a
cable is damaged.
Make sure that the USB device is on.
If the USB device is connected via a
USB hub, disconnect it and connect
the USB device directly to the system.
Connect the USB device to the
ANALOG IN jack of the system using
an analog audio cable (not supplied).
Subwoofer
USB Device Connection
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